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Linux Kernel Security Update: Data Exposure and Crash Risk
published 3 months ago
Summary
This update fixes several security issues in the Linux kernel that could allow attackers to access sensitive data or cause a system crash. Affected systems should be updated as soon as possible to prevent potential security risks. IT administrators should apply the kernel security update to ensure system stability and security.
What to do
- Update almalinux kernel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-debug to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-debug-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-debug-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-debug-devel-matched to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-debug-modules to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-debug-modules-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-debug-modules-extra to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-devel-matched to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-modules to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-modules-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-64k-modules-extra to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-abi-stablelists to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-cross-headers to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-debug to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-debug-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-debug-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-debug-devel-matched to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-debug-modules to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-debug-modules-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-debug-modules-extra to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-debug-uki-virt to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-devel-matched to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-doc to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-headers to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-modules to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-modules-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-modules-extra to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-modules-extra-matched to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-debug to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-debug-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-debug-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-debug-modules to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-debug-modules-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-debug-modules-extra to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-modules to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-modules-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-64k-modules-extra to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-debug to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-debug-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-debug-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-debug-modules to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-debug-modules-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-debug-modules-extra to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-modules to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-modules-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-rt-modules-extra to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-tools to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-tools-libs to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-tools-libs-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-uki-virt to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-uki-virt-addons to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-zfcpdump to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-zfcpdump-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-zfcpdump-devel to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-zfcpdump-devel-matched to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-zfcpdump-modules to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-zfcpdump-modules-core to version 6.12.0-211.32.1.el10_2.
- Update almalinux kernel-zfcpdump-modules-extra to version 6.12.0-211.32.1.el10_2.
- Update almalinux libperf to version 6.12.0-211.32.1.el10_2.
- Update almalinux perf to version 6.12.0-211.32.1.el10_2.
- Update almalinux python3-perf to version 6.12.0-211.32.1.el10_2.
- Update almalinux rtla to version 6.12.0-211.32.1.el10_2.
- Update almalinux rv to version 6.12.0-211.32.1.el10_2.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| AlmaLinux:10 | almalinux | kernel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-debug |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-debug-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-debug-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-debug-devel-matched |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-debug-modules |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-debug-modules-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-debug-modules-extra |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-devel-matched |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-modules |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-modules-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-64k-modules-extra |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-abi-stablelists |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-cross-headers |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-debug |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-debug-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-debug-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-debug-devel-matched |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-debug-modules |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-debug-modules-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-debug-modules-extra |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-debug-uki-virt |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-devel-matched |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-doc |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-headers |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-modules |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-modules-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-modules-extra |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-modules-extra-matched |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-debug |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-debug-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-debug-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-debug-modules |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-debug-modules-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-debug-modules-extra |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-modules |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-modules-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-64k-modules-extra |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-debug |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-debug-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
Showing 50 of 75. Show the rest
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| AlmaLinux:10 | almalinux | kernel-rt-debug-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-debug-modules |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-debug-modules-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-debug-modules-extra |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-modules |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-modules-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-rt-modules-extra |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-tools |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-tools-libs |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-tools-libs-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-uki-virt |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-uki-virt-addons |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-zfcpdump |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-zfcpdump-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-zfcpdump-devel |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-zfcpdump-devel-matched |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-zfcpdump-modules |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-zfcpdump-modules-core |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | kernel-zfcpdump-modules-extra |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | libperf |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | perf |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | python3-perf |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | rtla |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
| AlmaLinux:10 | almalinux | rv |
< 6.12.0-211.32.1.el10_2 Fix: upgrade to 6.12.0-211.32.1.el10_2
|
Original advisory text
Important: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (CVE-2025-71066)
* kernel: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (CVE-2026-46227)
* kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (CVE-2026-46113)
* kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359)
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.
Security Fix(es):
* kernel: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (CVE-2025-71066)
* kernel: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (CVE-2026-46227)
* kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (CVE-2026-46113)
* kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role (CVE-2026-53359)
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.
References
- https://access.redhat.com/errata/RHSA-2026:36956 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2025-71066 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-46113 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-46227 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-53359 Third Party Advisory
- https://bugzilla.redhat.com/2429036 Third Party Advisory
- https://bugzilla.redhat.com/2482564 Third Party Advisory
- https://bugzilla.redhat.com/2482587 Third Party Advisory
- https://bugzilla.redhat.com/2497033 Third Party Advisory
- https://errata.almalinux.org/10/ALSA-2026-36956.html Vendor Advisory
Timeline
Published9 Jul 2026
Updated10 Jul 2026
First seen10 Jul 2026
Sources
ALSA-2026:36956 · OSV
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