Red Hat Security AdvisoryRHSA-2026:5197
kernel security update
Released 2026-03-23 · Red Hat rating Moderate · View on Red Hat →
Fixed in
- Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.100.1.el9_6, libperf-5.14.0-570.100.1.el9_6
- Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.100.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.100.1.el9_6, kernel-64k-devel-5.14.0-570.100.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.100.1.el9_6, kernel-64k-5.14.0-570.100.1.el9_6, kernel-64k-core-5.14.0-570.100.1.el9_6 +28
- Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.100.1.el9_6, kernel-rt-64k-5.14.0-570.100.1.el9_6, kernel-rt-64k-core-5.14.0-570.100.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.100.1.el9_6, kernel-rt-core-5.14.0-570.100.1.el9_6, kernel-rt-debug-5.14.0-570.100.1.el9_6 +11
Fixes 2 records
Priority LOW 36
In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix use-after-free during router port configuration The bridge maintains a global list of ports behind which a multicast router resides.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.003 · Published 2025-07-09 · Partial fix · 5.15.224, 6.1.191 +4 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlan_forward_source() Add RCU protection on (struct macvlan_source_entry)->vlan.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00206 · Published 2026-01-25 · Partial fix · 5.10.249, 5.15.199 +5 CWE-416
