Red Hat Security Advisory: kernel-rt security update
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: vsock: Fix transport_* TOCTOU (CVE-2025-38461) 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.
AI Analysis
Technical Summary
The vulnerability CVE-2025-38461 is a TOCTOU race condition in the transport_* functions of the vsock component within the kernel-rt packages of Red Hat Enterprise Linux 8. This Real Time Linux Kernel enables fine-tuning for systems with extremely high determinism requirements. The issue has been fixed in an updated kernel-rt package released by Red Hat. The advisory (RHSA-2025:16373) rates the impact as moderate and recommends applying the update and rebooting the system for the fix to take effect.
Potential Impact
The vulnerability could allow an attacker to exploit a race condition in the vsock transport code, potentially leading to unintended behavior or privilege escalation. The Red Hat advisory rates the impact as moderate. No known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released an official security update for the kernel-rt packages that fixes CVE-2025-38461. Users should apply the update as described in Red Hat's advisory and reboot affected systems to ensure the patch is active. For detailed update instructions, refer to https://access.redhat.com/articles/11258. This is an official fix; no additional mitigation steps are required beyond applying the update and rebooting.
Red Hat Security Advisory: kernel-rt security update
Description
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: vsock: Fix transport_* TOCTOU (CVE-2025-38461) 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
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2025-38461 is a TOCTOU race condition in the transport_* functions of the vsock component within the kernel-rt packages of Red Hat Enterprise Linux 8. This Real Time Linux Kernel enables fine-tuning for systems with extremely high determinism requirements. The issue has been fixed in an updated kernel-rt package released by Red Hat. The advisory (RHSA-2025:16373) rates the impact as moderate and recommends applying the update and rebooting the system for the fix to take effect.
Potential Impact
The vulnerability could allow an attacker to exploit a race condition in the vsock transport code, potentially leading to unintended behavior or privilege escalation. The Red Hat advisory rates the impact as moderate. No known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released an official security update for the kernel-rt packages that fixes CVE-2025-38461. Users should apply the update as described in Red Hat's advisory and reboot affected systems to ensure the patch is active. For detailed update instructions, refer to https://access.redhat.com/articles/11258. This is an official fix; no additional mitigation steps are required beyond applying the update and rebooting.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:16373
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a3da1e34853345fc182c8d2
Added to database: 06/25/2026, 21:47:15 UTC
Last enriched: 06/25/2026, 22:30:30 UTC
Last updated: 07/03/2026, 08:51:21 UTC
Views: 11
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