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Red Hat Security Advisory

RHSA-2026:62642

kpatch-patch-6_12_0-211_16_1 security update

Released 2026-09-02 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 5 records

Priority HIGH 69

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a rac…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00485 Published 2026-06-25 Partial fix · 5.10.259, 5.15.210 +6 CWE-416
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry New test case fails unexpectedly when avx2 matching functions are used.

CVSS 3.1CRITICAL 9.4 Network No auth No interaction EPSS 0.0037 Published 2026-05-06 Partial fix · 5.10.258, 5.15.209 +6 CWE-20
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only del…

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.00352 Published 2026-05-06 Partial fix · 5.15.209, 6.1.175 +5 CWE-125
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: futex: Drop CLONE_THREAD requirement for private default hash alloc Currently need_futex_hash_allocate_default() depends on strict pthread semantics, ab…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00184 Published 2026-06-24 Fixed in 6.18.33, 7.0.10 +1 CWE-825
TI-2026-34044 CVE-2026-46323 · GHSA-hf4r-hm8m-w52j

net: gro: don't merge zcopy skbs

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skb_gro_receive() can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00137 Published 2026-06-09 Partial fix · 6.1.176, 6.6.142 +4 CWE-416