RHSA-2026:73788 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux for NVIDIA.

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.

Description

A special build of the kernel packages for Red Hat Enterprise Linux for
NVIDIA.

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.

For detailed information on changes in this release, see the RHEL for NVIDIA Release Notes linked from the References section.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

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

Affected Products

• Red Hat Enterprise Linux for ARM 64 10 aarch64

Fixes

• BZ - 2403545 - CVE-2025-39964 kernel: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg
• BZ - 2513233 - CVE-2026-68121 kernel: pppoe: reload header pointer after dev_hard_header()
• BZ - 2517043 - CVE-2026-74469 kernel: sctp: prevent peer transport count overflow
• BZ - 2520980 - CVE-2026-74581 kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res->rt6 pointer
• BZ - 2532176 - CVE-2026-81000 kernel: net: tun: bound receive headroom

CVEs

• CVE-2025-39964
• CVE-2026-68121
• CVE-2026-74469
• CVE-2026-74581
• CVE-2026-81000

References

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