RHSA-2026:82860 — Security Advisory

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

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.

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: xfrm: hold dev ref until after transport_finish NF_HOOK (CVE-2026-31663)

• kernel: xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx() (CVE-2026-53239)

• kernel: ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate() (CVE-2026-63921)

• kernel: xfrm: input: hold netns during deferred transport reinjection (CVE-2026-63919)

• kernel: ip6: vti: Use ip6_tnl.net in vti6_changelink() (CVE-2026-63917)

• kernel: xfrm: fix stale skb->prev after async crypto steals a GSO segment (CVE-2026-68426)

• kernel: nvmet-auth: reject short AUTH_RECEIVE buffers (CVE-2026-72130)

• kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705)

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.