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Red Hat Security Advisory

RHSA-2026:91650

kpatch-patch-5_14_0-687_10_1 and kpatch-patch-5_14_0-687_42_1 security update

Released 2026-10-28 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 5 records

Priority CRITICAL 97KEV

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebt_snat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source address rewrite behind skb_ensure_writable(skb,…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00934 Published 2026-06-25 Fixed in 5.5, 5.9 +9 CWE-787
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 36

In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after dev_hard_header() pppoe_sendmsg() saves a pointer to the PPPoE header before calling dev_hard_header().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00367 Published 2026-08-10 Partial fix · 5.10.265, 5.15.216 +6 CWE-416
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 23

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segments_left AH6 rearranges routing-header addresses before computing or verifying the ICV.

CVSS — EPSS 0.00434 Published 2026-09-04 Partial fix · 5.10.269, 5.15.220 +7