Red Hat Security AdvisoryRHSA-2026:62609
kernel security, bug fix, and enhancement update
Released 2026-09-02 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) kernel-64k-debug-devel-6.12.0-55.102.1.el10_0, kernel-64k-debug-devel-matched-6.12.0-55.102.1.el10_0, kernel-64k-devel-6.12.0-55.102.1.el10_0 +12
- Red Hat Enterprise Linux BaseOS EUS (v. 10.0) kernel-6.12.0-55.102.1.el10_0, kernel-64k-6.12.0-55.102.1.el10_0, kernel-64k-core-6.12.0-55.102.1.el10_0 +28
- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) kernel-tools-libs-devel-6.12.0-55.102.1.el10_0, libperf-6.12.0-55.102.1.el10_0
- Red Hat Enterprise Linux Real Time EUS (v. 10.0) kernel-rt-6.12.0-55.102.1.el10_0, kernel-rt-64k-6.12.0-55.102.1.el10_0, kernel-rt-64k-core-6.12.0-55.102.1.el10_0 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v. 10.0) kernel-rt-6.12.0-55.102.1.el10_0, kernel-rt-core-6.12.0-55.102.1.el10_0, kernel-rt-debug-6.12.0-55.102.1.el10_0 +11
Fixes 7 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 MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: clear suppressed fib6 rule result fib6_rule_suppress() drops a suppressed route with ip6_rt_put_flags(), but leaves res->rt6 pointing at the…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00421 · Published 2026-08-21 · Partial fix · 5.10.265, 5.15.216 +7
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hard_header_len in non-ring send paths packet_snd() reads dev->hard_header_len multiple times while allocating and constructing a…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0012 · Published 2026-08-21 · Partial fix · 4.5, 4.10 +10
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
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: ip6_gre: Use cached t->net in ip6erspan_changelink().
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00128 · Published 2026-05-28 · Partial fix · 4.17, 5.10.258 +7 CWE-416
Priority LOW 32
In the Linux kernel, the following vulnerability has been resolved: fanotify: fix false positive on permission events fsnotify_get_mark_safe() may return false for a mark on an unrelated group, which results in bypassing…
CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.0013 · Published 2026-05-28 · Partial fix · 5.10.258, 5.15.209 +6 CWE-863
Priority LOW 31
In the Linux kernel, the following vulnerability has been resolved: af_unix: Set gc_in_progress to true in unix_gc().
CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.00258 · Published 2026-07-04 · Fixed in 6.1.183, 6.6.144 +3 CWE-362
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