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Red Hat Security Advisory

RHSA-2026:55618

kpatch-patch-6_12_0-211_16_1 security update

Released 2026-08-17 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 5 records

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle tcf_classify() can return TC_ACT_CONSUMED while the skb is held by the defragmentation e…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00655 Published 2026-07-26 Fixed in 5.15.212, 6.1.178 +6 CWE-416
Priority MEDIUM 48

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_inner: Fix IPv6 inner_thoff desync In nft_inner_parse_l2l3(), when processing inner IPv6 packets, ipv6_find_hdr() correctly computes the…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00418 Published 2026-06-03 Fixed in 6.6.142, 6.12.92 +3 CWE-682
Priority MEDIUM 48

In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() Sashiko AI-review observed: In ip6_err_gen_icmpv6_unreach(), the skb is an outer IPv4 ICMP…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00255 Published 2026-05-01 Partial fix · 5.10.253, 5.15.203 +6 CWE-787
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: * ethernet mangl…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00178 Published 2026-05-08 Partial fix · 5.15.203, 6.1.168 +5 CWE-122
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix RxGK token loading to check bounds rxrpc_preparse_xdr_yfs_rxgk() reads the raw key length and ticket length from the XDR token as u32 values…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00143 Published 2026-04-24 Fixed in 6.18.23, 6.19.13 +1 CWE-125