- Issued:
- 2026-06-11
- Updated:
- 2026-06-11
RHSA-2026:25191 - Critical: kernel security update
Synopsis
Critical: kernel security update
Type/Severity
Security Advisory Critical
Topic
An update for kernel is now available for Red Hat Enterprise Linux 10.
Red Hat Product Security has rated this update as having a security impact of Critical. 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.
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
-
kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service (CVE-2026-31419)
-
kernel: Linux kernel: Denial of Service in erofs filesystem (CVE-2026-31467)
-
kernel: can: raw: fix ro->uniq use-after-free in raw_rcv() (CVE-2026-31532)
-
kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581)
-
kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (CVE-2026-43037)
-
kernel: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (CVE-2026-43501)
-
kernel: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054)
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.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for x86_64 | 10 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 10.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Life Cycle | 10.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - 4 years of updates | 10.2 | x86_64 |
| Red Hat Enterprise Linux for Power, little endian | 10 | ppc64le |
| Red Hat Enterprise Linux for Power, little endian - Extended Update Support | 10.2 | ppc64le |
| Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle | 10.2 | ppc64le |
| Red Hat Enterprise Linux for Power, little endian - 4 years of support | 10.2 | ppc64le |
| Red Hat Enterprise Linux for IBM z Systems | 10 | s390x |
| Red Hat Enterprise Linux for IBM z Systems - Extended Update Support | 10.2 | s390x |
| Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle | 10.2 | s390x |
| Red Hat Enterprise Linux for IBM z Systems - 4 years of updates | 10.2 | s390x |
| Red Hat Enterprise Linux for ARM 64 | 10 | aarch64 |
| Red Hat Enterprise Linux for ARM 64 - Extended Update Support | 10.2 | aarch64 |
| Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle | 10.2 | aarch64 |
| Red Hat Enterprise Linux for ARM 64 - 4 years of updates | 10.2 | aarch64 |
| Red Hat CodeReady Linux Builder for x86_64 | 10 | x86_64 |
| Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support | 10.2 | x86_64 |
| Red Hat CodeReady Linux Builder for Power, little endian | 10 | ppc64le |
| Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support | 10.2 | ppc64le |
| Red Hat CodeReady Linux Builder for IBM z Systems | 10 | s390x |
| Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support | 10.2 | s390x |
| Red Hat CodeReady Linux Builder for ARM 64 | 10 | aarch64 |
| Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support | 10.2 | aarch64 |
Updated Packages
- kernel-debug-debuginfo-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-64k-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-modules-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-64k-devel-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-64k-debug-modules-extra-6.12.0-211.22.1.el10_2.aarch64.rpm
- rtla-6.12.0-211.22.1.el10_2.aarch64.rpm
- rtla-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-modules-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-64k-modules-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-headers-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-rt-64k-modules-extra-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-modules-extra-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-debug-core-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-64k-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-tools-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-tools-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debug-uki-virt-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-modules-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-zfcpdump-modules-core-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-modules-extra-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-cross-headers-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-headers-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-modules-core-6.12.0-211.22.1.el10_2.x86_64.rpm
- perf-debuginfo-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debug-devel-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debug-devel-matched-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-rt-debug-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-devel-6.12.0-211.22.1.el10_2.aarch64.rpm
- libperf-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-rt-64k-debug-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- perf-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-64k-devel-matched-6.12.0-211.22.1.el10_2.aarch64.rpm
- perf-debuginfo-6.12.0-211.22.1.el10_2.x86_64.rpm
- rv-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-rt-debug-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-modules-extra-6.12.0-211.22.1.el10_2.aarch64.rpm
- rtla-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-headers-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-modules-extra-matched-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-tools-libs-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debug-devel-matched-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-devel-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-rt-modules-extra-6.12.0-211.22.1.el10_2.aarch64.rpm
- python3-perf-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debug-modules-core-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-debug-modules-core-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-debug-modules-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-uki-virt-addons-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-debug-modules-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debuginfo-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-64k-debug-devel-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-64k-debug-modules-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-core-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debug-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-devel-matched-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-debug-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debug-debuginfo-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-cross-headers-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-tools-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-modules-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-zfcpdump-devel-6.12.0-211.22.1.el10_2.s390x.rpm
- python3-perf-debuginfo-6.12.0-211.22.1.el10_2.x86_64.rpm
- rv-6.12.0-211.22.1.el10_2.ppc64le.rpm
- python3-perf-debuginfo-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debuginfo-common-aarch64-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-devel-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-64k-modules-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debuginfo-common-s390x-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-zfcpdump-modules-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-modules-extra-matched-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-6.12.0-211.22.1.el10_2.src.rpm
- kernel-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-core-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-tools-libs-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-64k-modules-extra-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-64k-debug-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-modules-core-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-modules-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-rt-debug-modules-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-debuginfo-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-modules-extra-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-rt-64k-debug-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-uki-virt-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-tools-debuginfo-6.12.0-211.22.1.el10_2.x86_64.rpm
- libperf-debuginfo-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-rt-64k-debug-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-64k-modules-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-64k-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-modules-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-zfcpdump-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-devel-6.12.0-211.22.1.el10_2.x86_64.rpm
- libperf-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-cross-headers-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-modules-extra-matched-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-zfcpdump-devel-matched-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-uki-virt-6.12.0-211.22.1.el10_2.aarch64.rpm
- libperf-debuginfo-6.12.0-211.22.1.el10_2.x86_64.rpm
- python3-perf-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-64k-debug-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- libperf-6.12.0-211.22.1.el10_2.aarch64.rpm
- python3-perf-6.12.0-211.22.1.el10_2.x86_64.rpm
- perf-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-core-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-debuginfo-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-rt-64k-debug-modules-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-debug-modules-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- libperf-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-core-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-debug-modules-extra-6.12.0-211.22.1.el10_2.x86_64.rpm
- libperf-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-modules-core-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-modules-core-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-debug-modules-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-modules-extra-matched-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-rt-devel-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-debug-debuginfo-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-modules-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debuginfo-common-x86_64-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-core-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-debug-modules-extra-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-modules-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-tools-debuginfo-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-rt-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-tools-libs-devel-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debug-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-uki-virt-addons-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-devel-matched-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-debuginfo-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-rt-64k-debug-modules-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-debug-modules-core-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-modules-extra-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-debug-devel-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-tools-libs-devel-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-tools-libs-devel-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-debug-devel-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-tools-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-debug-modules-extra-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-debug-core-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-64k-devel-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-zfcpdump-debuginfo-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-modules-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-devel-matched-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-tools-debuginfo-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-64k-debug-6.12.0-211.22.1.el10_2.aarch64.rpm
- perf-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-cross-headers-6.12.0-211.22.1.el10_2.x86_64.rpm
- python3-perf-6.12.0-211.22.1.el10_2.s390x.rpm
- python3-perf-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-debug-modules-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-64k-debug-modules-extra-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-6.12.0-211.22.1.el10_2.x86_64.rpm
- libperf-debuginfo-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-rt-debuginfo-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-tools-libs-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-debug-modules-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debuginfo-common-ppc64le-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-modules-extra-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-devel-matched-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-rt-debug-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-modules-core-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-headers-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-debug-devel-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-64k-debug-modules-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-devel-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-devel-matched-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-64k-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-debug-modules-extra-6.12.0-211.22.1.el10_2.ppc64le.rpm
- kernel-rt-debug-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-debug-devel-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-debug-core-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-devel-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-devel-matched-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-64k-modules-6.12.0-211.22.1.el10_2.aarch64.rpm
- perf-6.12.0-211.22.1.el10_2.aarch64.rpm
- python3-perf-debuginfo-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-abi-stablelists-6.12.0-211.22.1.el10_2.noarch.rpm
- rtla-6.12.0-211.22.1.el10_2.s390x.rpm
- rv-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-64k-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-debug-modules-extra-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-debug-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-debug-core-6.12.0-211.22.1.el10_2.s390x.rpm
- kernel-zfcpdump-modules-extra-6.12.0-211.22.1.el10_2.s390x.rpm
- perf-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-rt-64k-debuginfo-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-64k-debug-devel-matched-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-rt-64k-debug-devel-6.12.0-211.22.1.el10_2.aarch64.rpm
- rv-6.12.0-211.22.1.el10_2.aarch64.rpm
- kernel-doc-6.12.0-211.22.1.el10_2.noarch.rpm
- kernel-tools-6.12.0-211.22.1.el10_2.x86_64.rpm
- kernel-zfcpdump-core-6.12.0-211.22.1.el10_2.s390x.rpm
- perf-debuginfo-6.12.0-211.22.1.el10_2.s390x.rpm
Fixes
- This content is not included.BZ - 2457829
- This content is not included.BZ - 2460616
- This content is not included.BZ - 2461107
- This content is not included.BZ - 2461471
- This content is not included.BZ - 2464351
- This content is not included.BZ - 2480457
- This content is not included.BZ - 2482025
CVEs
- CVE-2026-31419
- CVE-2026-31467
- CVE-2026-31532
- CVE-2026-31581
- CVE-2026-43037
- CVE-2026-43501
- CVE-2026-46054
References
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at Security Contacts and Procedures.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.