RLSA-2026:27288

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

* kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (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: hci_sync: fix stack buffer overflow in hci_le_big_create_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 ap_bindings_complete_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.

Affected products

Rocky Linux 10 aarch64 Rocky Linux 10 ppc64le Rocky Linux 10 riscv64 Rocky Linux 10 s390x Rocky Linux 10 x86_64

Fixes

2467083 2482634 2460646 2479492 2464096 2461548 2464502 2464449 2482645 2461503 2468061 2482181 2482563 2482608 2464092

CVEs

CVE-2026-31474 CVE-2026-31641 CVE-2026-31669 CVE-2026-31772 CVE-2026-31786 CVE-2026-31787 CVE-2026-43056 CVE-2026-43260 CVE-2026-43330 CVE-2026-46056 CVE-2026-46125 CVE-2026-46152 CVE-2026-46166 CVE-2026-46173 CVE-2026-46331

Affected packages

Rocky Linux 10 s390x - BaseOS

kernel-core-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-zfcpdump-core-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-zfcpdump-modules-extra-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-zfcpdump-modules-core-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-debug-modules-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-debug-debuginfo-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-modules-core-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-debuginfo-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-debuginfo-common-s390x-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-zfcpdump-modules-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-tools-debuginfo-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-zfcpdump-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-debug-core-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-0:6.12.0-211.26.1.el10_2.src.rpm kernel-zfcpdump-debuginfo-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-modules-extra-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-debug-modules-extra-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-debug-modules-core-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-abi-stablelists-0:6.12.0-211.26.1.el10_2.noarch.rpm kernel-debug-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-modules-extra-matched-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-tools-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-modules-0:6.12.0-211.26.1.el10_2.s390x.rpm

Rocky Linux 10 aarch64 - AppStream

kernel-64k-debug-devel-matched-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-debug-devel-0:6.12.0-211.26.1.el10_2.aarch64.rpm rv-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-doc-0:6.12.0-211.26.1.el10_2.noarch.rpm perf-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-devel-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-debug-devel-0:6.12.0-211.26.1.el10_2.aarch64.rpm python3-perf-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-devel-0:6.12.0-211.26.1.el10_2.aarch64.rpm python3-perf-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-devel-matched-0:6.12.0-211.26.1.el10_2.aarch64.rpm perf-0:6.12.0-211.26.1.el10_2.aarch64.rpm rtla-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-devel-matched-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-debug-devel-matched-0:6.12.0-211.26.1.el10_2.aarch64.rpm

Rocky Linux 10 aarch64 - BaseOS

kernel-tools-libs-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-uki-virt-addons-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-debug-modules-extra-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-modules-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-modules-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-debug-modules-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-debug-modules-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-debug-modules-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-uki-virt-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-debug-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-debug-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-modules-extra-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-debug-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-debuginfo-common-aarch64-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-tools-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-modules-extra-matched-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-debug-modules-extra-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-0:6.12.0-211.26.1.el10_2.src.rpm kernel-debug-modules-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-debug-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-debug-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-modules-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-modules-extra-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-64k-debug-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-abi-stablelists-0:6.12.0-211.26.1.el10_2.noarch.rpm kernel-tools-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-modules-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm

Rocky Linux 10 x86_64 - AppStream

python3-perf-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-doc-0:6.12.0-211.26.1.el10_2.noarch.rpm rtla-0:6.12.0-211.26.1.el10_2.x86_64.rpm rv-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debug-devel-0:6.12.0-211.26.1.el10_2.x86_64.rpm perf-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm python3-perf-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debug-devel-matched-0:6.12.0-211.26.1.el10_2.x86_64.rpm perf-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-devel-matched-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-devel-0:6.12.0-211.26.1.el10_2.x86_64.rpm

Rocky Linux 10 s390x - AppStream

kernel-debug-devel-matched-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-doc-0:6.12.0-211.26.1.el10_2.noarch.rpm perf-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-debug-devel-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-zfcpdump-devel-matched-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-devel-matched-0:6.12.0-211.26.1.el10_2.s390x.rpm python3-perf-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-devel-0:6.12.0-211.26.1.el10_2.s390x.rpm rtla-0:6.12.0-211.26.1.el10_2.s390x.rpm kernel-zfcpdump-devel-0:6.12.0-211.26.1.el10_2.s390x.rpm rv-0:6.12.0-211.26.1.el10_2.s390x.rpm perf-debuginfo-0:6.12.0-211.26.1.el10_2.s390x.rpm python3-perf-debuginfo-0:6.12.0-211.26.1.el10_2.s390x.rpm

Rocky Linux 10 aarch64 - CRB

libperf-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm libperf-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-tools-libs-devel-0:6.12.0-211.26.1.el10_2.aarch64.rpm

Rocky Linux 10 aarch64 - RT

kernel-rt-64k-debug-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-debug-devel-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-debug-modules-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-devel-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-modules-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-debug-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-modules-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-debug-modules-core-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-modules-extra-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-debug-debuginfo-0:6.12.0-211.26.1.el10_2.aarch64.rpm kernel-rt-64k-debug-modules-extra-0:6.12.0-211.26.1.el10_2.aarch64.rpm

Rocky Linux 10 x86_64 - BaseOS

kernel-debuginfo-common-x86_64-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debug-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-modules-extra-matched-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debug-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-tools-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debug-modules-extra-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debug-modules-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-modules-extra-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-tools-libs-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-0:6.12.0-211.26.1.el10_2.src.rpm kernel-uki-virt-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-tools-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debug-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-modules-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debug-modules-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-debug-uki-virt-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-modules-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-abi-stablelists-0:6.12.0-211.26.1.el10_2.noarch.rpm kernel-uki-virt-addons-0:6.12.0-211.26.1.el10_2.x86_64.rpm

Rocky Linux 10 x86_64 - NFV

kernel-rt-modules-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-modules-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-modules-extra-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-devel-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-modules-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-modules-extra-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-devel-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-modules-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm

Rocky Linux 10 x86_64 - RT

kernel-rt-modules-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-modules-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-modules-extra-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-devel-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-modules-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-modules-extra-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-devel-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debug-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm kernel-rt-modules-core-0:6.12.0-211.26.1.el10_2.x86_64.rpm

Rocky Linux 10 ppc64le - AppStream

kernel-doc-0:6.12.0-211.26.1.el10_2.noarch.rpm python3-perf-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-debug-devel-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-debug-devel-matched-0:6.12.0-211.26.1.el10_2.ppc64le.rpm rtla-0:6.12.0-211.26.1.el10_2.ppc64le.rpm rv-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-devel-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-devel-matched-0:6.12.0-211.26.1.el10_2.ppc64le.rpm perf-0:6.12.0-211.26.1.el10_2.ppc64le.rpm perf-debuginfo-0:6.12.0-211.26.1.el10_2.ppc64le.rpm python3-perf-debuginfo-0:6.12.0-211.26.1.el10_2.ppc64le.rpm

Rocky Linux 10 riscv64 - AppStream

kernel-doc-0:6.12.0-211.26.1.el10_2.noarch.rpm

Rocky Linux 10 ppc64le - BaseOS

kernel-debug-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-modules-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-modules-core-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-tools-debuginfo-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-debuginfo-common-ppc64le-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-tools-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-tools-libs-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-modules-extra-matched-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-0:6.12.0-211.26.1.el10_2.src.rpm kernel-debug-modules-core-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-core-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-debug-modules-extra-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-modules-extra-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-debug-debuginfo-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-debuginfo-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-abi-stablelists-0:6.12.0-211.26.1.el10_2.noarch.rpm kernel-debug-modules-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-debug-core-0:6.12.0-211.26.1.el10_2.ppc64le.rpm

Rocky Linux 10 ppc64le - CRB

libperf-debuginfo-0:6.12.0-211.26.1.el10_2.ppc64le.rpm kernel-tools-libs-devel-0:6.12.0-211.26.1.el10_2.ppc64le.rpm libperf-0:6.12.0-211.26.1.el10_2.ppc64le.rpm

Rocky Linux 10 x86_64 - CRB

kernel-tools-libs-devel-0:6.12.0-211.26.1.el10_2.x86_64.rpm libperf-debuginfo-0:6.12.0-211.26.1.el10_2.x86_64.rpm libperf-0:6.12.0-211.26.1.el10_2.x86_64.rpm

Rocky Linux 10 riscv64 - BaseOS

kernel-0:6.12.0-211.26.1.el10_2.src.rpm kernel-abi-stablelists-0:6.12.0-211.26.1.el10_2.noarch.rpm

Rocky Linux 10 s390x - CRB

libperf-0:6.12.0-211.26.1.el10_2.s390x.rpm libperf-debuginfo-0:6.12.0-211.26.1.el10_2.s390x.rpm