Red Hat Security AdvisoryRHSA-2026:62346
kernel security update
Released 2026-09-02 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream E4S (v.9.4) kernel-64k-debug-devel-5.14.0-427.148.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.148.1.el9_4, kernel-64k-devel-5.14.0-427.148.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS E4S (v.9.4) bpftool-7.3.0-427.148.1.el9_4, kernel-5.14.0-427.148.1.el9_4, kernel-64k-5.14.0-427.148.1.el9_4 +29
- Red Hat Enterprise Linux Real Time E4S (v.9.4) kernel-rt-5.14.0-427.148.1.el9_4, kernel-rt-core-5.14.0-427.148.1.el9_4, kernel-rt-debug-5.14.0-427.148.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV E4S (v.9.4) kernel-rt-5.14.0-427.148.1.el9_4, kernel-rt-core-5.14.0-427.148.1.el9_4, kernel-rt-debug-5.14.0-427.148.1.el9_4 +11
Fixes 2 records
Priority MEDIUM 50
In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group br_multicast_leave_group() iterates mp->ports with pp = &p->next in its fast-leave path.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00579 · Published 2026-08-15 · Partial fix · 5.10.265, 5.15.216 +6
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() ipv4_sysctl_exit_net() is currently freeing net->ipv4.sysctl_local_…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0013 · Published 2026-07-19 · Partial fix · 5.10.259, 5.15.210 +6 CWE-416
