RHSA-2026:1445
Vulnerability from csaf_redhat - Published: 2026-01-28 00:33 - Updated: 2026-10-30 03:20Summary
Red Hat Security Advisory: kernel security update
Severity
Important
Notes
Topic: An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: smb: client: Fix use-after-free in cifs_fill_dirent (CVE-2025-38051)
* kernel: e1000e: fix heap overflow in e1000_set_eeprom (CVE-2025-39898)
* kernel: RDMA/rxe: Fix incomplete state save in rxe_requester (CVE-2023-53539)
* kernel: drm/i915: mark requests for GuC virtual engines to avoid use-after-free (CVE-2023-53552)
* kernel: net/mlx5e: Check for NOT_READY flag state after locking (CVE-2023-53581)
* kernel: i40e: fix idx validation in config queues msg (CVE-2025-39971)
* kernel: media: rc: fix races with imon_disconnect() (CVE-2025-39993)
* kernel: Linux kernel: vsock vulnerability may lead to memory corruption (CVE-2025-40248)
* kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CVE-2025-40277)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
An incorrect state restoration flaw was found in the Linux kernel's RDMA rxe (soft-RoCE) driver in the requester packet transmission logic. A local user with access to RDMA devices can trigger this issue when network layer packet drops occur during RDMA send operations, causing the work queue element state to be incompletely saved and restored. This results in data corruption in resent packets, leading to denial of service or potential data integrity issues.
5.5 (Medium)
Affected products
Fixed
72 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-debuginfo-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:bpftool-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-0:4.18.0-477.126.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-0:4.18.0-477.126.1.el8_8.src | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-abi-stablelists-0:4.18.0-477.126.1.el8_8.noarch | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-core-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-core-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-core-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-core-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-debuginfo-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-devel-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-devel-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-extra-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debug-modules-extra-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-0:4.18.0-477.126.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-common-ppc64le-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-debuginfo-common-x86_64-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-devel-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-devel-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-doc-0:4.18.0-477.126.1.el8_8.noarch | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-extra-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-modules-extra-0:4.18.0-477.126.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-debuginfo-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-libs-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:kernel-tools-libs-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-0:4.18.0-477.126.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-debuginfo-0:4.18.0-477.126.1.el8_8.ppc64le | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:perf-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-0:4.18.0-477.126.1.el8_8.ppc64le | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-0:4.18.0-477.126.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-debuginfo-0:4.18.0-477.126.1.el8_8.ppc64le | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.E4S:python3-perf-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:bpftool-0:4.18.0-477.126.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:bpftool-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-0:4.18.0-477.126.1.el8_8.src | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-abi-stablelists-0:4.18.0-477.126.1.el8_8.noarch | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-core-0:4.18.0-477.126.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-core-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-devel-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-modules-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debug-modules-extra-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-debuginfo-common-x86_64-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-devel-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-doc-0:4.18.0-477.126.1.el8_8.noarch | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-modules-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-modules-extra-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-tools-0:4.18.0-477.126.1.el8_8.x86_64 | — |
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-tools-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
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fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:kernel-tools-libs-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:perf-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:perf-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:python3-perf-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: BaseOS-8.8.0.Z.TUS:python3-perf-debuginfo-0:4.18.0-477.126.1.el8_8.x86_64 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Moderate
A use-after-free vulnerability was found in the Linux kernel Intel i915 graphics driver's GuC virtual engine request handling. A local user with access to GPU rendering can create requests on GuC virtual engines and trap references via sync_file or dmabuf, causing fence release operations to access freed engine structures when validating whether rq->engine points to a valid hardware engine, which results in memory corruption and potential privilege escalation or denial of service.
5.5 (Medium)
Affected products
Fixed
72 products, the same list as for
CVE-2023-53539
Threats
Impact
Moderate
A race condition was found in the Linux kernel Mellanox mlx5 network driver's traffic control offload flow management. A local user with privileges to configure traffic control flower filters can trigger concurrent flow deletion operations where the NOT_READY flag is checked before acquiring the necessary lock, allowing a workqueue task to concurrently remove the flow from the unready_flows list, which causes double-removal from the linked list and results in list corruption leading to denial of service via kernel crash or potentially memory corruption.
5.5 (Medium)
Affected products
Fixed
72 products, the same list as for
CVE-2023-53539
Threats
Impact
Moderate
A use-after-free flaw was found in cifs_fill_dirent in fs/cifs/readdir.c in smb client in the Linux Kernel. This flaw could allow an attacker to crash the system due to race problem. This vulnerability could even lead to a kernel information leak problem.
7.0 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2023-53539
Threats
Impact
Moderate
A heap‑overflow vulnerability was discovered in the linux kernel e1000e driver’s e1000_set_eeprom() function, insufficient validation of the requested length for an EEPROM change could allow a local, low‑privilege user to trigger memory corruption (heap overflow). A local unprivileged user with access to the driver could exploit this flaw to cause memory corruption, potentially leading to confidentiality, integrity, and availability damage.
0.0 (None)
Affected products
Fixed
72 products, the same list as for
CVE-2023-53539
Threats
Impact
Moderate
A flaw was found in the Linux kernel in the Intel i40e network driver such that in the function i40e_vc_config_queues_msg(), when iterating over vf->ch[idx], the idx value is not properly validated against the range of active/initialized traffic classes (TCs). An attacker with local privileges could supply a malformed value causing an out-of-bounds access, potentially leading to memory corruption, system crash, or possible arbitrary code execution.
7.6 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2023-53539
Threats
Impact
Moderate
A flaw was identified in the Intel “i40e” Ethernet driver in the Linux Kernel where the ring_len parameter supplied by a VF (virtual function) is passed unchecked to the hardware memory context. If a malicious Virtual function provides a too-large or misaligned ring_len, it may allow the device to configure excessive Tx/Rx queue length leading to memory corruption or other undefined behaviour in the driver context.
7.5 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2023-53539
Threats
Impact
Moderate
A use-after-free flaw exists in the Linux kernel’s media/rc subsystem. When the device is disconnected via imon_disconnect(), the driver may unconditionally release a usb_device reference (via usb_put_dev) even while other operations (such as vfd_write, send_packet, display_open, lcd_write) are still in progress. Because the pointers usbdev_intf0/usbdev_intf1 are not properly protected by a users-counter or locking, this situation can lead to a use-after-free of the usb_device pointer and therefore memory corruption or kernel stability issues
7.0 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2023-53539
Threats
Impact
Moderate
A flaw was found in the Linux kernel's `vsock` component. This vulnerability occurs when a `connect()` operation on an already established socket is interrupted by a signal or timeout, causing the system to mishandle the socket's state. This incorrect handling can lead to a race condition, potentially resulting in memory corruption, such as a use-after-free or null-pointer dereference. A local attacker could exploit this to cause a denial of service or potentially escalate privileges.
7.0 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2023-53539
Threats
Impact
Important
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE This data originates from userspace and is used in buffer offset calculations which could potentially overflow causing an out-of-bounds access.
7.8 (High)
Affected products
Fixed
72 products, the same list as for
CVE-2023-53539
Threats
Impact
Moderate
References
62 references
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"text": "An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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"text": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: smb: client: Fix use-after-free in cifs_fill_dirent (CVE-2025-38051)\n\n* kernel: e1000e: fix heap overflow in e1000_set_eeprom (CVE-2025-39898)\n\n* kernel: RDMA/rxe: Fix incomplete state save in rxe_requester (CVE-2023-53539)\n\n* kernel: drm/i915: mark requests for GuC virtual engines to avoid use-after-free (CVE-2023-53552)\n\n* kernel: net/mlx5e: Check for NOT_READY flag state after locking (CVE-2023-53581)\n\n* kernel: i40e: fix idx validation in config queues msg (CVE-2025-39971)\n\n* kernel: media: rc: fix races with imon_disconnect() (CVE-2025-39993)\n\n* kernel: Linux kernel: vsock vulnerability may lead to memory corruption (CVE-2025-40248)\n\n* kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CVE-2025-40277)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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{
"category": "description",
"text": "An incorrect state restoration flaw was found in the Linux kernel\u0027s RDMA rxe (soft-RoCE) driver in the requester packet transmission logic. \nA local user with access to RDMA devices can trigger this issue when network layer packet drops occur during RDMA send operations, causing the work queue element state to be incompletely saved and restored. This results in data corruption in resent packets, leading to denial of service or potential data integrity issues.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: RDMA/rxe: Fix incomplete state save in rxe_requester",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "The vulnerability occurs when rxe_requester attempts to retransmit a packet after receiving -EAGAIN from the IP layer. The code saves work queue element state to enable retransmission, but fails to preserve the DMA structure that tracks scatter-gather list processing. Additionally, the state snapshot happens after packet construction has already modified the DMA fields. When heavy network stress causes packet drops\u2014particularly when a fast sender communicates with a slow receiver across multiple queue pairs\u2014the incomplete restoration causes retransmitted packets to carry corrupted payload data.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025100443-CVE-2023-53539-4411@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025100443-CVE-2023-53539-4411@gregkh/T"
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{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:1445"
},
{
"category": "workaround",
"details": "To mitigate this issue, prevent the rdma_rxe module from being loaded. See https://access.redhat.com/solutions/41278 for instructions on blacklisting kernel modules.",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: RDMA/rxe: Fix incomplete state save in rxe_requester"
},
{
"cve": "CVE-2023-53552",
"cwe": {
"id": "CWE-825",
"name": "Expired Pointer Dereference"
},
"discovery_date": "2025-10-04T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2401514"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free vulnerability was found in the Linux kernel Intel i915 graphics driver\u0027s GuC virtual engine request handling. A local user with access to GPU rendering can create requests on GuC virtual engines and trap references via sync_file or dmabuf, causing fence release operations to access freed engine structures when validating whether rq-\u003eengine points to a valid hardware engine, which results in memory corruption and potential privilege escalation or denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: drm/i915: mark requests for GuC virtual engines to avoid use-after-free",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Fence release code needs to determine if rq-\u003eengine is valid for non-virtual requests, but the check was insufficient for GuC virtual engines. Userspace can hold i915_request references indefinitely across processes via sync_file or dmabuf (dma-resv). The driver attempts to free request resources after completion to prevent memory leaks, but on fence release it must validate the engine pointer. For GuC virtual engines, the validation was incorrect, allowing use-after-free when the engine structure was freed but still referenced.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-53552"
},
{
"category": "external",
"summary": "RHBZ#2401514",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401514"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-53552",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53552"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-53552",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53552"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025100447-CVE-2023-53552-5ba9@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025100447-CVE-2023-53552-5ba9@gregkh/T"
}
],
"release_date": "2025-10-04T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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},
"url": "https://access.redhat.com/errata/RHSA-2026:1445"
},
{
"category": "workaround",
"details": "To mitigate this issue, prevent the i915 module from loading. See https://access.redhat.com/solutions/41278 for instructions on blacklisting kernel modules.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: drm/i915: mark requests for GuC virtual engines to avoid use-after-free"
},
{
"cve": "CVE-2023-53581",
"cwe": {
"id": "CWE-367",
"name": "Time-of-check Time-of-use (TOCTOU) Race Condition"
},
"discovery_date": "2025-10-04T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2401545"
}
],
"notes": [
{
"category": "description",
"text": "A race condition was found in the Linux kernel Mellanox mlx5 network driver\u0027s traffic control offload flow management. \nA local user with privileges to configure traffic control flower filters can trigger concurrent flow deletion operations where the NOT_READY flag is checked before acquiring the necessary lock, allowing a workqueue task to concurrently remove the flow from the unready_flows list, which causes double-removal from the linked list and results in list corruption leading to denial of service via kernel crash or potentially memory corruption.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: net/mlx5e: Check for NOT_READY flag state after locking",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "The issue arises because of incorrect lock ordering in the flow deletion path. When mlx5e_tc_del_fdb_flow() processes a flow deletion, it first checks the NOT_READY flag to determine if the flow is on the unready_flows list, then acquires the uplink_priv-\u003eunready_flows_lock mutex to remove it. However, between the flag check and lock acquisition, a workqueue task can acquire the same lock and remove the flow from the list. When the original thread then acquires the lock and attempts list removal, it performs a double-removal on an entry that is no longer in the list. This corrupts the linked list pointers, causing subsequent list operations to access freed memory containing poison values (0xdead000000000100). The race window is narrow, requiring the workqueue to execute between the flag check and lock acquisition. While this reliably causes kernel crashes when the race occurs, the underlying list corruption represents a memory safety violation that could potentially be leveraged for more sophisticated attacks with careful timing and heap manipulation.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-53581"
},
{
"category": "external",
"summary": "RHBZ#2401545",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401545"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-53581",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-53581"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-53581",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53581"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025100424-CVE-2023-53581-80fa@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025100424-CVE-2023-53581-80fa@gregkh/T"
}
],
"release_date": "2025-10-04T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"url": "https://access.redhat.com/errata/RHSA-2026:1445"
},
{
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: net/mlx5e: Check for NOT_READY flag state after locking"
},
{
"cve": "CVE-2025-38051",
"cwe": {
"id": "CWE-825",
"name": "Expired Pointer Dereference"
},
"discovery_date": "2025-06-18T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2373329"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free flaw was found in cifs_fill_dirent in fs/cifs/readdir.c in smb client in the Linux Kernel. This flaw could allow an attacker to crash the system due to race problem. This vulnerability could even lead to a kernel information leak problem.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: smb: client: Fix use-after-free in cifs_fill_dirent",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Moderate impact flaw in the Linux kernel\u0027s SMB client (CIFS) can lead to a system crash or information disclosure due to a race problem, leading to a use-after-free vulnerability during directory operations. Red Hat Enterprise Linux 8, 9, and 10 are affected when utilizing the CIFS client functionality.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-38051"
},
{
"category": "external",
"summary": "RHBZ#2373329",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373329"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-38051",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-38051"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-38051",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38051"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025061831-CVE-2025-38051-77da@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025061831-CVE-2025-38051-77da@gregkh/T"
}
],
"release_date": "2025-06-18T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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},
"url": "https://access.redhat.com/errata/RHSA-2026:1445"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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{
"category": "impact",
"details": "Moderate"
}
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"title": "kernel: smb: client: Fix use-after-free in cifs_fill_dirent"
},
{
"cve": "CVE-2025-39898",
"cwe": {
"id": "CWE-122",
"name": "Heap-based Buffer Overflow"
},
"discovery_date": "2025-10-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2400598"
}
],
"notes": [
{
"category": "description",
"text": "A heap\u2011overflow vulnerability was discovered in the linux kernel e1000e driver\u2019s e1000_set_eeprom() function, insufficient validation of the requested length for an EEPROM change could allow a local, low\u2011privilege user to trigger memory corruption (heap overflow). A local unprivileged user with access to the driver could exploit this flaw to cause memory corruption, potentially leading to confidentiality, integrity, and availability damage.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: e1000e: fix heap overflow in e1000_set_eeprom",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This CVE has been marked as Rejected by the assigning CNA.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-39898"
},
{
"category": "external",
"summary": "RHBZ#2400598",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2400598"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-39898",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39898"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-39898",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39898"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025100116-CVE-2025-39898-d844@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025100116-CVE-2025-39898-d844@gregkh/T"
}
],
"release_date": "2025-10-01T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:1445"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 0.0,
"baseSeverity": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: e1000e: fix heap overflow in e1000_set_eeprom"
},
{
"cve": "CVE-2025-39971",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2025-10-15T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2404108"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel in the Intel i40e network driver such that in the function i40e_vc_config_queues_msg(), when iterating over vf-\u003ech[idx], the idx value is not properly validated against the range of active/initialized traffic classes (TCs). An attacker with local privileges could supply a malformed value causing an out-of-bounds access, potentially leading to memory corruption, system crash, or possible arbitrary code execution.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: i40e: fix idx validation in config queues msg",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Moderate severity for Red Hat Enterprise Linux because exploitation requires access to a host configured with specific Intel Ethernet hardware running active SR-IOV virtual functions. The flaw can only be triggered by an attacker operating within a privileged guest environment or an assigned virtual function capable of sending malformed virtual channel requests to the host driver. Standard deployments lacking Intel 700-series network adapters or those that do not allocate SR-IOV virtual functions to untrusted workloads are not exposed to this issue.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-39971"
},
{
"category": "external",
"summary": "RHBZ#2404108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2404108"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-39971",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39971"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-39971",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39971"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025101556-CVE-2025-39971-97e2@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025101556-CVE-2025-39971-97e2@gregkh/T"
}
],
"release_date": "2025-10-15T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:1445"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: i40e: fix idx validation in config queues msg"
},
{
"cve": "CVE-2025-39973",
"cwe": {
"id": "CWE-131",
"name": "Incorrect Calculation of Buffer Size"
},
"discovery_date": "2025-10-15T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2404116"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was identified in the Intel \u201ci40e\u201d Ethernet driver in the Linux Kernel where the ring_len parameter supplied by a VF (virtual function) is passed unchecked to the hardware memory context. If a malicious Virtual function provides a too-large or misaligned ring_len, it may allow the device to configure excessive Tx/Rx queue length leading to memory corruption or other undefined behaviour in the driver context.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: i40e: add validation for ring_len param",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated as Moderate severity because it requires specific hardware configurations where Intel 700 series network adapters run with SR-IOV enabled, and virtual functions are assigned to untrusted virtual machines or tenants. On standard Red Hat Enterprise Linux deployments, SR-IOV virtual functions are not instantiated by default, significantly limiting the exposure of physical function hosts. An attacker must possess privileged access within a provisioned guest to transmit malformed ring configuration requests across the virtual channel to affect the host kernel.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-39973"
},
{
"category": "external",
"summary": "RHBZ#2404116",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2404116"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-39973",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39973"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-39973",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39973"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025101557-CVE-2025-39973-b1a3@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025101557-CVE-2025-39973-b1a3@gregkh/T"
}
],
"release_date": "2025-10-15T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:1445"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria, comprising ease of use and deployment, applicability to widespread installation base or stability.",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: i40e: add validation for ring_len param"
},
{
"cve": "CVE-2025-39993",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2025-10-15T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2404121"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free flaw exists in the Linux kernel\u2019s media/rc subsystem. When the device is disconnected via imon_disconnect(), the driver may unconditionally release a usb_device reference (via usb_put_dev) even while other operations (such as vfd_write, send_packet, display_open, lcd_write) are still in progress. Because the pointers usbdev_intf0/usbdev_intf1 are not properly protected by a users-counter or locking, this situation can lead to a use-after-free of the usb_device pointer and therefore memory corruption or kernel stability issues",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: media: rc: fix races with imon_disconnect()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated Moderate severity because exploitation requires local access, an attached SoundGraph iMON device, and winning a race condition during device disconnect. In typical Red Hat Enterprise Linux server environments, consumer infrared and display hardware is not present, substantially reducing exposure. Although successful exploitation could trigger kernel memory corruption or cause a system crash, the flaw cannot be triggered remotely and relies on uncommon hardware interactions.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-39993"
},
{
"category": "external",
"summary": "RHBZ#2404121",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2404121"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-39993",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-39993"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-39993",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39993"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025101527-CVE-2025-39993-caef@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025101527-CVE-2025-39993-caef@gregkh/T"
}
],
"release_date": "2025-10-15T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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{
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"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: media: rc: fix races with imon_disconnect()"
},
{
"cve": "CVE-2025-40248",
"cwe": {
"id": "CWE-364",
"name": "Signal Handler Race Condition"
},
"discovery_date": "2025-12-04T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2418872"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the Linux kernel\u0027s `vsock` component. This vulnerability occurs when a `connect()` operation on an already established socket is interrupted by a signal or timeout, causing the system to mishandle the socket\u0027s state. This incorrect handling can lead to a race condition, potentially resulting in memory corruption, such as a use-after-free or null-pointer dereference. A local attacker could exploit this to cause a denial of service or potentially escalate privileges.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: Linux kernel: vsock vulnerability may lead to memory corruption",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated Important for Red Hat Enterprise Linux 7, 8, 9, and 10. A flaw in the Linux kernel\u0027s `vsock` component allows a local attacker to cause memory corruption, potentially leading to a denial of service or privilege escalation. This occurs when a `connect()` operation on an established socket is interrupted by a signal or timeout, leading to an incorrect handling of the socket\u0027s state.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-40248"
},
{
"category": "external",
"summary": "RHBZ#2418872",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2418872"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-40248",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40248"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-40248",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40248"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025120430-CVE-2025-40248-506e@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025120430-CVE-2025-40248-506e@gregkh/T"
}
],
"release_date": "2025-12-04T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:1445"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "kernel: Linux kernel: vsock vulnerability may lead to memory corruption"
},
{
"cve": "CVE-2025-40277",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2025-12-06T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2419954"
}
],
"notes": [
{
"category": "description",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE\n\nThis data originates from userspace and is used in buffer offset\ncalculations which could potentially overflow causing an out-of-bounds\naccess.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A local attacker with access to the vmwgfx device could trigger an integer overflow when sending crafted SVGA3D command buffers with a malformed header size. The unchecked header-\u003esize field is used in buffer offset arithmetic, leading to potential out-of-bounds memory access in the kernel. The patch enforces a maximum bound (SVGA_CMD_MAX_DATASIZE) to prevent overflows. This issue may allow denial of service or privilege escalation within the guest VM.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-40277"
},
{
"category": "external",
"summary": "RHBZ#2419954",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2419954"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-40277",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-40277"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-40277",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40277"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2025120717-CVE-2025-40277-d511@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2025120717-CVE-2025-40277-d511@gregkh/T"
}
],
"release_date": "2025-12-06T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-01-28T00:33:29+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.",
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"restart_required": {
"category": "machine"
},
"url": "https://access.redhat.com/errata/RHSA-2026:1445"
},
{
"category": "workaround",
"details": "To mitigate this issue, prevent module vmwgfx from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.",
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}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE"
}
]
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.