Issued at: 2026-10-24
Updated at: 2026-10-24
Advisory content derived from Red Hat RHSA-2026:88477, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: kernel security, bug fix, and enhancement update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: calipso: Don't call calipso functions for AF_INET sk. (CVE-2025-38147)
* kernel: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (CVE-2026-64114)
* kernel: net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot (CVE-2026-64048)
* kernel: ALSA: hda/cs35l41: Fix firmware load work teardown (CVE-2026-64481)
* kernel: fuse: re-lock request before returning from fuse_ref_folio() (CVE-2026-64266)
* kernel: ipv4: fib: free fib_alias with kfree_rcu() on insert error path (CVE-2026-64572)
* kernel: drm/amd/display: set new_stream to NULL after release (CVE-2026-68236)
* kernel: ALSA: seq: close a re-opened queue timer in the destructor (CVE-2026-68202)
* kernel: drm/dp/mst: fix buffer overflows in sideband chunk accumulation (CVE-2026-68278)
* kernel: drm/amdgpu: fix lifetime issue of amdgpu_vm_get_task_info_pasid() (CVE-2026-68245)
* kernel: ovl: check access to copy_file_range source with src mounter creds (CVE-2026-68448)
* kernel: xfs: bounds-check buffer log item's dirty bitmap (CVE-2026-80536)
* kernel: inet: frags: strip GSO state from fragments before reassembly (CVE-2026-80590)
* kernel: drm/vmwgfx: use check_add_overflow for shader size+offset bound (CVE-2026-80887)
* kernel: perf: Fix use-after-free when perf mmap() revival races with the last munmap() (CVE-2026-89791)
* kernel: drm/amdkfd: Add TLB flush after MES queue eviction/suspension (CVE-2026-89811)
* kernel: perf: Fix addr_filter_ranges lifetime (CVE-2026-93817)
* kernel: drm/amdgpu: Bound GPIO I2C table entry count from VBIOS (CVE-2026-97493)
Bug Fix(es) and Enhancement(s):
* Backport request: bonding: only set speed/duplex to unknown, if getting speed failed [rhel-10.2.z] (JIRA:Rocky Linux-179066)
* RTLA segfaults on freed memory access on double SIGINT [rhel-10.2.z] (JIRA:Rocky Linux-193031)
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.