rhsa-2024_0134
Vulnerability from csaf_redhat
Published
2024-01-10 10:50
Modified
2024-11-15 17:39
Summary
Red Hat Security Advisory: kernel-rt security update
Notes
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 8.
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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: use after free in unix_stream_sendpage (CVE-2023-4622)
* kernel: vmwgfx: reference count issue leads to use-after-free in surface handling (CVE-2023-5633)
* kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)
* Kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)
* hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)
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.
Bug Fix(es):
* kernel-rt: update RT source tree to the latest RHEL-8.9.z1 Batch (JIRA:RHEL-17347)
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.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for kernel-rt is now available for Red Hat Enterprise Linux 8.\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.", "title": "Topic" }, { "category": "general", "text": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: use after free in unix_stream_sendpage (CVE-2023-4622)\n\n* kernel: vmwgfx: reference count issue leads to use-after-free in surface handling (CVE-2023-5633)\n\n* kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)\n\n* Kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)\n\n* hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)\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.\n\nBug Fix(es):\n\n* kernel-rt: update RT source tree to the latest RHEL-8.9.z1 Batch (JIRA:RHEL-17347)", "title": "Details" }, { "category": "legal_disclaimer", "text": "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.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2024:0134", "url": "https://access.redhat.com/errata/RHSA-2024:0134" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2187773", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2187773" }, { "category": "external", "summary": "2207625", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2207625" }, { "category": "external", "summary": "2237760", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2237760" }, { "category": "external", "summary": "2239843", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2239843" }, { "category": "external", "summary": "2245663", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2245663" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_0134.json" } ], "title": "Red Hat Security Advisory: kernel-rt security update", "tracking": { "current_release_date": "2024-11-15T17:39:24+00:00", "generator": { "date": "2024-11-15T17:39:24+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2024:0134", "initial_release_date": "2024-01-10T10:50:40+00:00", "revision_history": [ { "date": "2024-01-10T10:50:40+00:00", "number": "1", "summary": "Initial version" }, { "date": "2024-01-10T10:50:40+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-15T17:39:24+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux Real Time for NFV (v. 8)", "product": { "name": "Red Hat Enterprise Linux Real Time for NFV (v. 8)", "product_id": "NFV-8.9.0.Z.MAIN", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux for Real Time (v. 8)", "product": { "name": "Red Hat Enterprise Linux for Real Time (v. 8)", "product_id": "RT-8.9.0.Z.MAIN", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:8::realtime" } } } ], "category": "product_family", "name": "Red Hat Enterprise Linux" }, { "branches": [ { "category": "product_version", "name": 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This flaw allows a local, unprivileged attacker with access to either /dev/dri/card0 or /dev/dri/rendererD128, and able to issue an ioctl() on the resulting file descriptor to crash the system, causing a denial of service.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: vmwgfx: integer overflow in vmwgfx_execbuf.c", "title": "Vulnerability summary" }, { "category": "other", "text": "Systems making use of the vmwgfx driver are potentially affected by this flaw; systems without the vmwgfx driver loaded are not affected by this flaw.", "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": { "fixed": [ "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.src", 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"system_name": "Red Hat Bugzilla ID", "text": "2187773" } ], "notes": [ { "category": "description", "text": "A use-after-free flaw was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in the SCSI sub-component in the Linux Kernel. This issue could allow an attacker to leak kernel internal information.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: UAF during login when accessing the shost ipaddress", "title": "Vulnerability summary" }, { "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": { "fixed": [ "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.src", "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-core-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-debug-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-debug-core-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", 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The unix_stream_sendpage() function tries to add data to the last skb in the peer\u0027s recv queue without locking the queue. This issue leads to a race condition where the unix_stream_sendpage() function could access a skb that is being released by garbage collection, resulting in a use-after-free issue.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: use after free in unix_stream_sendpage", "title": "Vulnerability summary" }, { "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": { "fixed": [ "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.src", "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-core-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-debug-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", 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When running inside a VMware guest with 3D acceleration enabled, a local, unprivileged user could potentially use this flaw to escalate their privileges.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: vmwgfx: reference count issue leads to use-after-free in surface handling", "title": "Vulnerability summary" }, { "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": { "fixed": [ "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.src", "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-core-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-debug-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", 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"organization": "ETH Zurich" } ], "cve": "CVE-2023-20569", "discovery_date": "2023-05-16T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2207625" } ], "notes": [ { "category": "description", "text": "A side channel vulnerability was found in hw amd. Some AMD CPUs may allow an attacker to influence the return address prediction. This issue may result in speculative execution at an attacker-controlled instruction pointer register, potentially leading to information disclosure.", "title": "Vulnerability description" }, { "category": "summary", "text": "amd: Return Address Predictor vulnerability leading to information disclosure", "title": "Vulnerability summary" }, { "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": { "fixed": [ "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.src", "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-core-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-debug-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", 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vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h-\u003enets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: netfilter: potential slab-out-of-bound access due to integer underflow", "title": "Vulnerability summary" }, { "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": { "fixed": [ "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.src", "NFV-8.9.0.Z.MAIN:kernel-rt-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-core-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-debug-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", "NFV-8.9.0.Z.MAIN:kernel-rt-debug-core-0:4.18.0-513.11.1.rt7.313.el8_9.x86_64", 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.