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Red Hat Security Advisory: kernel security update

0
Medium
Published: 07/21/2025 (07/21/2025, 12:01:02 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink(). (CVE-2024-50154) * kernel: net: ch9200: fix uninitialised access during mii_nway_restart (CVE-2025-38086) 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.

Affected software

Affected versions
Red HatRed Hat Enterprise LinuxRed Hat Enterprise Linux BaseOS (v. 8)Red Hat Enterprise Linux CRB (v. 8)aarch64

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/25/2026, 04:46:48 UTC

Technical Analysis

Red Hat Product Security issued an advisory (RHSA-2025:11455) for a kernel security update affecting Red Hat Enterprise Linux 8. It fixes two vulnerabilities: CVE-2024-50154, which corrects the use of timer_pending() in reqsk_queue_unlink() within the tcp/dccp kernel code, and CVE-2025-38086, which resolves uninitialized memory access during mii_nway_restart in the ch9200 network driver. The advisory rates the impact as moderate and provides updated kernel packages for multiple architectures including x86_64, s390x, ppc64le, and aarch64. The update requires a system reboot to apply the fixes.

Potential Impact

The vulnerabilities affect the Linux kernel core components, potentially leading to issues such as use-after-free (CWE-416) and uninitialized memory access (CWE-908). The advisory classifies the security impact as moderate. No known exploits in the wild have been reported. The issues could affect system stability or security if exploited, but no detailed impact scenarios are provided.

Mitigation Recommendations

Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the kernel update as described in the Red Hat advisory and reboot their systems to activate the fixes. The advisory provides detailed instructions and package links. No alternative mitigations are indicated.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_security_advisory
Csaf Version
2.0
Publisher
Red Hat Product Security
Advisory Id
RHSA-2025:11455
Cve Count
2
Additional Cves
["CVE-2025-38086"]

Threat ID: 6a3caf134853345fc153dd1f

Added to database: 06/25/2026, 04:31:15 UTC

Last enriched: 06/25/2026, 04:46:48 UTC

Last updated: 09/10/2026, 19:36:48 UTC

Views: 206

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