Red Hat Enterprise Linux
Description
Red Hat Enterprise Linux (RHEL) is a commercial open-source Linux distribution developed by Red Hat for the commercial market.
Website
Product names
enterprise_linux, Red Hat Enterprise Linux 6
Related organization
CVE-2026-2243 (GCVE-0-2026-2243)
Vulnerability from – Published: 2026-02-19 17:47 – Updated: 2026-02-20 20:23
VLAI?
Title
Qemu-kvm: heap buffer out-of-bounds read in vmdk compressed grain parsing
Summary
A flaw was found in QEMU. A specially crafted VMDK image could trigger an out-of-bounds read vulnerability, potentially leading to a 12-byte leak of sensitive information or a denial of service condition (DoS).
Severity ?
5.1 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
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|
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Credits
Red Hat would like to thank Halil Oktay (oblivionsage) for reporting this issue.
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CVE-2025-8860 (GCVE-0-2025-8860)
Vulnerability from – Published: 2026-02-18 20:49 – Updated: 2026-02-19 14:35
VLAI?
Title
Qemu-kvm: uefi-vars: information disclosure vulnerability in uefi_vars_write callback
Summary
A flaw was found in QEMU in the uefi-vars virtual device. When the guest writes to register UEFI_VARS_REG_BUFFER_SIZE, the .write callback `uefi_vars_write` is invoked. The function allocates a heap buffer without zeroing the memory, leaving the buffer filled with residual data from prior allocations. When the guest later reads from register UEFI_VARS_REG_PIO_BUFFER_TRANSFER, the .read callback `uefi_vars_read` returns leftover metadata or other sensitive process memory from the previously allocated buffer, leading to an information disclosure vulnerability.
Severity ?
CWE
- CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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|
Affected:
10.0.0 , < 10.1.0
(semver)
|
|||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||
Credits
Red Hat would like to thank ZDI (zdi-disclosures@trendmicro.com) for reporting this issue.
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CVE-2025-14876 (GCVE-0-2025-14876)
Vulnerability from – Published: 2026-02-18 20:47 – Updated: 2026-02-19 14:33
VLAI?
Title
Qemu-kvm: unbounded allocation in virtio-crypto
Summary
A flaw was found in the virtio-crypto device of QEMU. A malicious guest operating system can exploit a missing length limit in the AKCIPHER path, leading to uncontrolled memory allocation. This can result in a denial of service (DoS) on the host system by causing the QEMU process to terminate unexpectedly.
Severity ?
5.5 (Medium)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Affected:
7.1.0 , ≤ 10.2.0
(semver)
|
|||||||||||||||||||||||||||||||||||||||
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|||||||||||||||||||||||||||||||||||||||
Credits
Red Hat would like to thank James Nakamura <nakamurajames123@gmail.com> for reporting this issue.
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"cveId": "CVE-2025-14876",
"datePublished": "2026-02-18T20:47:54.302Z",
"dateReserved": "2025-12-18T10:40:12.917Z",
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CVE-2025-13601 (GCVE-0-2025-13601)
Vulnerability from – Published: 2025-11-26 14:44 – Updated: 2026-02-19 01:07
VLAI?
Title
Glib: integer overflow in in g_escape_uri_string()
Summary
A heap-based buffer overflow problem was found in glib through an incorrect calculation of buffer size in the g_escape_uri_string() function. If the string to escape contains a very large number of unacceptable characters (which would need escaping), the calculation of the length of the escaped string could overflow, leading to a potential write off the end of the newly allocated string.
Severity ?
7.7 (High)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
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|
Affected:
0 , < 2.86.3
(semver)
|
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"baseScore": 7.7,
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CVE-2026-0665 (GCVE-0-2026-0665)
Vulnerability from – Published: 2026-02-18 20:50 – Updated: 2026-02-18 21:27
VLAI?
Title
Qemu-kvm: heap off-by-one in kvm xen physdevop_map_pirq
Summary
An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption.
Severity ?
6.5 (Medium)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Affected:
8.0.0 , ≤ 10.2.0
(semver)
|
|||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||
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CVE-2025-1272 (GCVE-0-2025-1272)
Vulnerability from – Published: 2026-02-18 20:29 – Updated: 2026-02-18 20:44
VLAI?
Title
Kernel: secure boot does not automatically enable kernel lockdown
Summary
The Linux Kernel lockdown mode for kernel versions starting on 6.12 and above for Fedora Linux has the lockdown mode disabled without any warning. This may allow an attacker to gain access to sensitive information such kernel memory mappings, I/O ports, BPF and kprobes. Additionally unsigned modules can be loaded, leading to execution of untrusted code breaking breaking any Secure Boot protection. This vulnerability affects only Fedora Linux.
Severity ?
7.7 (High)
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fedora Project | Fedora Linux |
Affected:
6.12.4-100.fc40 , < 6.12.15-100.fc40
(rpm)
Affected: 6.12.1-200.fc41 , < 6.12.15-200.fc41 (rpm) |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
Credits
Red Hat would like to thank Nicolas Bouchinet (ANSSI – French Cybersecurity Agency) for reporting this issue.
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CVE-2025-0577 (GCVE-0-2025-0577)
Vulnerability from – Published: 2026-02-18 20:25 – Updated: 2026-02-18 20:25
VLAI?
Title
Glibc: vdso getrandom acceleration may return predictable randomness
Summary
An insufficient entropy vulnerability was found in glibc. The getrandom and arc4random family of functions may return predictable randomness if these functions are called again after the fork, which happens concurrently with a call to any of these functions.
Severity ?
4.8 (Medium)
CWE
- CWE-331 - Insufficient Entropy
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Affected:
2.39-28.fc40 , ≤ 2.39-33.fc40
(semver)
Affected: 2.40-12.fc41 , ≤ 2.40-17.fc41 (semver) |
|||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||
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CVE-2023-33951 (GCVE-0-2023-33951)
Vulnerability from – Published: 2023-07-24 15:19 – Updated: 2026-02-18 19:19
VLAI?
Title
Kernel: vmwgfx: race condition leading to information disclosure vulnerability
Summary
A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the handling of GEM objects. The issue results from improper locking when performing operations on an object. This flaw allows a local privileged user to disclose information in the context of the kernel.
Severity ?
6.7 (Medium)
CWE
- CWE-413 - Improper Resource Locking
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
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(rpm)
cpe:/a:redhat:enterprise_linux:8::nfv cpe:/a:redhat:enterprise_linux:8::realtime |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2023-33951 (GCVE-0-2023-33951)
Vulnerability from – Published: 2023-07-24 15:19 – Updated: 2026-02-18 19:19
VLAI?
Title
Kernel: vmwgfx: race condition leading to information disclosure vulnerability
Summary
A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. The flaw exists within the handling of GEM objects. The issue results from improper locking when performing operations on an object. This flaw allows a local privileged user to disclose information in the context of the kernel.
Severity ?
6.7 (Medium)
CWE
- CWE-413 - Improper Resource Locking
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:4.18.0-513.5.1.rt7.307.el8_9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::nfv cpe:/a:redhat:enterprise_linux:8::realtime |
||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2023-4194 (GCVE-0-2023-4194)
Vulnerability from – Published: 2023-08-07 13:19 – Updated: 2026-02-18 17:16
VLAI?
Title
Kernel: tap: tap_open(): correctly initialize socket uid next fix of i_uid to current_fsuid
Summary
A flaw was found in the Linux kernel's TUN/TAP functionality. This issue could allow a local user to bypass network filters and gain unauthorized access to some resources. The original patches fixing CVE-2023-1076 are incorrect or incomplete. The problem is that the following upstream commits - a096ccca6e50 ("tun: tun_chr_open(): correctly initialize socket uid"), - 66b2c338adce ("tap: tap_open(): correctly initialize socket uid"), pass "inode->i_uid" to sock_init_data_uid() as the last parameter and that turns out to not be accurate.
Severity ?
5.5 (Medium)
CWE
- CWE-1188 - Initialization of a Resource with an Insecure Default
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:5.14.0-362.8.1.el9_3 , < *
(rpm)
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||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||
Credits
This issue was discovered by Laszlo Ersek (Red Hat).
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"title": "Kernel: tap: tap_open(): correctly initialize socket uid next fix of i_uid to current_fsuid",
"x_generator": {
"engine": "cvelib 1.8.0"
},
"x_redhatCweChain": "CWE-1188: Initialization of a Resource with an Insecure Default"
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2023-4194",
"datePublished": "2023-08-07T13:19:44.215Z",
"dateReserved": "2023-08-06T15:05:48.734Z",
"dateUpdated": "2026-02-18T17:16:51.343Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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