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Linux Kernel Update Fixes Multiple Security Risks
ALSA-2026:3488
Summary
Update your Linux kernel to fix three security issues that could allow an attacker to cause a denial of service or potentially gain unauthorized access to your system. These issues affect the Linux kernel's networking and memory management. Apply the latest kernel update to ensure your system stays secure.
What to do
- Update almalinux kernel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-debug to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-debug-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-debug-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-debug-devel-matched to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-debug-modules to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-debug-modules-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-debug-modules-extra to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-devel-matched to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-modules to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-modules-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-64k-modules-extra to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-abi-stablelists to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-cross-headers to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-debug to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-debug-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-debug-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-debug-devel-matched to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-debug-modules to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-debug-modules-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-debug-modules-extra to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-debug-uki-virt to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-devel-matched to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-doc to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-headers to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-modules to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-modules-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-modules-extra to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-debug to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-debug-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-debug-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-debug-modules to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-debug-modules-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-debug-modules-extra to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-modules to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-modules-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-64k-modules-extra to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-debug to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-debug-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-debug-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-debug-modules to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-debug-modules-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-debug-modules-extra to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-modules to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-modules-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-rt-modules-extra to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-tools to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-tools-libs to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-tools-libs-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-uki-virt to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-uki-virt-addons to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-zfcpdump to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-zfcpdump-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-zfcpdump-devel to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-zfcpdump-devel-matched to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-zfcpdump-modules to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-zfcpdump-modules-core to version 5.14.0-611.36.1.el9_7.
- Update almalinux kernel-zfcpdump-modules-extra to version 5.14.0-611.36.1.el9_7.
- Update almalinux libperf to version 5.14.0-611.36.1.el9_7.
- Update almalinux perf to version 5.14.0-611.36.1.el9_7.
- Update almalinux python3-perf to version 5.14.0-611.36.1.el9_7.
- Update almalinux rtla to version 5.14.0-611.36.1.el9_7.
- Update almalinux rv to version 5.14.0-611.36.1.el9_7.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| almalinux | kernel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-debug | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-debug-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-debug-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-debug-devel-matched | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-debug-modules | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-debug-modules-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-debug-modules-extra | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-devel-matched | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-modules | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-modules-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-64k-modules-extra | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-abi-stablelists | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-cross-headers | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-debug | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-debug-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-debug-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-debug-devel-matched | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-debug-modules | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-debug-modules-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-debug-modules-extra | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-debug-uki-virt | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-devel-matched | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-doc | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-headers | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-modules | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-modules-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-modules-extra | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-debug | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-debug-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-debug-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-debug-modules | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-debug-modules-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-debug-modules-extra | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-modules | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-modules-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-64k-modules-extra | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-debug | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-debug-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-debug-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-debug-modules | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-debug-modules-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-debug-modules-extra | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-modules | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-modules-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-rt-modules-extra | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-tools | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-tools-libs | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-tools-libs-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-uki-virt | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-uki-virt-addons | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-zfcpdump | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-zfcpdump-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-zfcpdump-devel | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-zfcpdump-devel-matched | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-zfcpdump-modules | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-zfcpdump-modules-core | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | kernel-zfcpdump-modules-extra | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | libperf | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | perf | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | python3-perf | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | rtla | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
| almalinux | rv | <= 5.14.0-611.36.1.el9_7 | 5.14.0-611.36.1.el9_7 |
Original title
Moderate: kernel security update
Original description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() (CVE-2025-40168)
* kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (CVE-2025-71085)
* kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration (CVE-2026-23097)
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: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() (CVE-2025-40168)
* kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (CVE-2025-71085)
* kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration (CVE-2026-23097)
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.
- https://access.redhat.com/errata/RHSA-2026:3488 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2025-40168 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-71085 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-23097 Third Party Advisory
- https://bugzilla.redhat.com/2414482 Third Party Advisory
- https://bugzilla.redhat.com/2429026 Third Party Advisory
- https://bugzilla.redhat.com/2436802 Third Party Advisory
- https://errata.almalinux.org/9/ALSA-2026-3488.html Vendor Advisory
Published: 2 Mar 2026 · Updated: 6 Mar 2026 · First seen: 6 Mar 2026