Red Hat Security Advisory

RHSA-2026:3275

kernel security update

Released 2026-02-25 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream (v. 10) kernel-64k-debug-devel-6.12.0-124.39.1.el10_1, kernel-64k-debug-devel-matched-6.12.0-124.39.1.el10_1, kernel-64k-devel-6.12.0-124.39.1.el10_1 +12
Red Hat Enterprise Linux BaseOS (v. 10) kernel-6.12.0-124.39.1.el10_1, kernel-64k-6.12.0-124.39.1.el10_1, kernel-64k-core-6.12.0-124.39.1.el10_1 +29
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) kernel-tools-libs-devel-6.12.0-124.39.1.el10_1, libperf-6.12.0-124.39.1.el10_1
Red Hat Enterprise Linux Real Time (v. 10) kernel-rt-6.12.0-124.39.1.el10_1, kernel-rt-64k-6.12.0-124.39.1.el10_1, kernel-rt-64k-core-6.12.0-124.39.1.el10_1 +21
Red Hat Enterprise Linux Real Time for NFV (v. 10) kernel-rt-6.12.0-124.39.1.el10_1, kernel-rt-core-6.12.0-124.39.1.el10_1, kernel-rt-debug-6.12.0-124.39.1.el10_1 +9

Fixes 4 records

TI-2025-26838 CVE-2025-40168 · GHSA-9cp7-m95w-q87h

smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().

LOW 36

In the Linux kernel, the following vulnerability has been resolved: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.0042 Published 2025-11-12 Partial fix · 6.1.187, 6.6.156 +3

TI-2025-25546 CVE-2025-38206 · GHSA-349q-hp2f-r4hf

exfat: fix double free in delayed_free

LOW 35

In the Linux kernel, the following vulnerability has been resolved: exfat: fix double free in delayed_free The double free could happen in the following path.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00193 Published 2025-07-04 Partial fix · 5.10.239, 5.15.186 +5 CWE-415

TI-2025-42268 CVE-2025-68800 · GHSA-jhc9-chhp-3xfj

mlxsw: spectrum_mr: Fix use-after-free when updating multicast route stats

LOW 33

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum_mr: Fix use-after-free when updating multicast route stats Cited commit added a dedicated mutex (instead of RTNL) to protect the multica…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00151 Published 2026-01-13 Partial fix · 5.10.248, 5.15.198 +5 CWE-416

TI-2025-26768 CVE-2025-40096 · GHSA-xpm8-g6rj-74pw

drm/sched: Fix potential double free in drm_sched_job_add_resv_dependencies

LOW 33

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix potential double free in drm_sched_job_add_resv_dependencies When adding dependencies with drm_sched_job_add_dependency(), that function…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00154 Published 2025-10-30 Partial fix · 6.1.158, 6.6.114 +3