RHSA-2025:17192 - Security Advisory

Topic

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

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: drm/amd/display: clear optc underflow before turn off odm clock (CVE-2022-49969)
• kernel: md-raid10: fix KASAN warning (CVE-2022-50211)
• kernel: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction (CVE-2025-38211)
• kernel: vsock: Fix transport_* TOCTOU (CVE-2025-38461)
• kernel: drm/gem: Acquire references on GEM handles for framebuffers (CVE-2025-38449)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.0 x86_64

Fixes

• BZ - 2373635 - CVE-2022-49969 kernel: drm/amd/display: clear optc underflow before turn off odm clock
• BZ - 2373662 - CVE-2022-50211 kernel: md-raid10: fix KASAN warning
• BZ - 2376406 - CVE-2025-38211 kernel: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction
• BZ - 2383513 - CVE-2025-38461 kernel: vsock: Fix transport_* TOCTOU
• BZ - 2383519 - CVE-2025-38449 kernel: drm/gem: Acquire references on GEM handles for framebuffers

CVEs

• CVE-2022-49969
• CVE-2022-50211
• CVE-2025-38211
• CVE-2025-38449
• CVE-2025-38461

References

• https://access.redhat.com/security/updates/classification/#moderate