RLSA-2026:27288

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474)

• kernel: mptcp: fix slab-use-after-free in __inetlookupestablished (CVE-2026-31669)

• kernel: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641)

• kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)

• kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)

• kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)

• kernel: Bluetooth: hcisync: fix stack buffer overflow in hcilebigcreate_sync (CVE-2026-31772)

• kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260)

• kernel: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330)

• kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)

• kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)

• kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152)

• kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)

• kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)

• kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166)

Bug Fix(es) and Enhancement(s):

• Rocky Linux10.0 - s390/ap: Expose apbindingscomplete_count counter via sysfs [rhel-10.2.z] (JIRA:Rocky Linux-166047)

• Rocky Linux9.5 crash due to lpfc NULL ndlp->vport [rhel-10.2.z] (JIRA:Rocky Linux-171774)

• objtool static_call check blocks build of out-of-tree livepatch modules on Rocky Linux 10.2 GA kernels ? missing upstream revert f495054bd12e (JIRA:Rocky Linux-178495)

• ibmveth Adapter Freeze with Small MSS [rhel-10.2.z] (JIRA:Rocky Linux-179723)

• rbd: eliminate a race in lock_dwork draining on unmap [rhel-10.2.z] (JIRA:Rocky Linux-183127)

• Rocky Linux10.0 - s390/mm: Add missing secure storage access fixups [rhel-10.2.z] (JIRA:Rocky Linux-183319)

• [Rocky Linux10.2.z] Enable Pretimeout Watchdog Panic Functionality on x86 (JIRA:Rocky Linux-182299)

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.