RHSA 2026:73788

access.redhat.com • October 2, 2026

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.

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

For more details 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.

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:

Red Hat Enterprise Linux for ARM 64 10 aarch64

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

Red Hat Enterprise Linux for ARM 64 10

The Red Hat security is [email protected] . More details at .

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Vulnerabilities in Red Hat Kernel Packages Require Immediate Action Red Hat has released two security advisories for vulnerabilities in kernel packages for Red Hat Enterprise Linux for NVIDIA. The first advisory, RHSA-2026:73187, addresses multiple critical vulnerabilities, including CVE-2026-74480 and CVE-2026-74581, both rated with a CVSS score of 9.8. These vulnerabilities could allow for significant system compromises if exploited. The second advisory, RHSA-2026:73788, includes vulnerabilities rated as Important, such as CVE-2026-68121 and CVE-2026-74469, with CVSS scores of 7.8 and 8.8 respectively. Users are advised to apply the updates immediately and reboot their systems to mitigate risks. The advisories highlight the importance of keeping systems updated to prevent exploitation of these vulnerabilities. 73

Extracted Entities

RHSA 2026:73788

The full story

Extracted Entities

CVEs (5)

Domains (1)

Email Addresses (1)

Platforms (1)