Red Hat Product Errata RHSA-2026:62642 - Security Advisory Issued: 2026-09-02 Updated: 2026-09-02 RHSA-2026:62642 - Security Advisory Overview Updated Packages Synopsis Important: kpatch-patch-6_12_0-211_16_1 security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for kpatch-patch-6_12_0-211_16_1 is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module is targeted for kernel-6.12.0-211.16.1.el10_2. Security Fix(es): kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114) kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath (CVE-2026-43112) kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs (CVE-2026-46323) kernel: futex: Drop CLONE_THREAD requirement for private default hash alloc (CVE-2026-52973) kernel: net/sched: act_api: use RCU with deferred freeing for action lifecycle (CVE-2026-53264) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux for x86_64 10 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64 Red Hat Enterprise Linux for Power, little endian 10 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le Fixes BZ - 2466994 - CVE-2026-43114 kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry BZ - 2467015 - CVE-2026-43112 kernel: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath BZ - 2479832 - CVE-2026-46323 kernel: Linux kernel: Use-After-Free in net/gro due to improper handling of zerocopy skbs BZ - 2492413 - CVE-2026-52973 kernel: futex: Drop CLONE_THREAD requirement for private default hash alloc BZ - 2492851 - CVE-2026-53264 kernel: net/sched: act_api: use RCU with deferred freeing for action lifecycle CVEs CVE-2026-43112 CVE-2026-43114 CVE-2026-46323 CVE-2026-52973 CVE-2026-53264 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 10 SRPM kpatch-patch-6_12_0-211_16_1-1-8.el10_2.src.rpm SHA-256: fe434af8d8df28a99fed6e3f4c5462f2969a40ac96a1b02a6be3d15014ffc2b7 x86_64 kpatch-patch-6_12_0-211_16_1-1-8.el10_2.x86_64.rpm SHA-256: db6a320bd02283adfa79c0a749cd1cfff97f385165a42b1bfa5d82678e5561e9 kpatch-patch-6_12_0-211_16_1-debuginfo-1-8.el10_2.x86_64.rpm SHA-256: d3e859941aa0c7544557d5c27925a608e0d25af19b5299bf418c291d5cda2986 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 SRPM kpatch-patch-6_12_0-211_16_1-1-8.el10_2.src.rpm SHA-256: fe434af8d8df28a99fed6e3f4c5462f2969a40ac96a1b02a6be3d15014ffc2b7 x86_64 kpatch-patch-6_12_0-211_16_1-1-8.el10_2.x86_64.rpm SHA-256: db6a320bd02283adfa79c0a749cd1cfff97f385165a42b1bfa5d82678e5561e9 kpatch-patch-6_12_0-211_16_1-debuginfo-1-8.el10_2.x86_64.rpm SHA-256: d3e859941aa0c7544557d5c27925a608e0d25af19b5299bf418c291d5cda2986 Red Hat Enterprise Linux for Power, little endian 10 SRPM kpatch-patch-6_12_0-211_16_1-1-8.el10_2.src.rpm SHA-256: fe434af8d8df28a99fed6e3f4c5462f2969a40ac96a1b02a6be3d15014ffc2b7 ppc64le kpatch-patch-6_12_0-211_16_1-1-8.el10_2.ppc64le.rpm SHA-256: 087f9c330f28f19d1afa9dab036964f4e8ffa524eec15fdd40a21ebe13e4e694 kpatch-patch-6_12_0-211_16_1-debuginfo-1-8.el10_2.ppc64le.rpm SHA-256: 969e74e5b044aeec5ccce5150815f687aaa8b977a97b558962df18756454b31d kpatch-patch-6_12_0-211_16_1-debugsource-1-8.el10_2.ppc64le.rpm SHA-256: fa0d5a2e99110c1498f5f1a24194d7c97733553a615c319d8ad089fe1641c9a9 Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 SRPM kpatch-patch-6_12_0-211_16_1-1-8.el10_2.src.rpm SHA-256: fe434af8d8df28a99fed6e3f4c5462f2969a40ac96a1b02a6be3d15014ffc2b7 ppc64le kpatch-patch-6_12_0-211_16_1-1-8.el10_2.ppc64le.rpm SHA-256: 087f9c330f28f19d1afa9dab036964f4e8ffa524eec15fdd40a21ebe13e4e694 kpatch-patch-6_12_0-211_16_1-debuginfo-1-8.el10_2.ppc64le.rpm SHA-256: 969e74e5b044aeec5ccce5150815f687aaa8b977a97b558962df18756454b31d kpatch-patch-6_12_0-211_16_1-debugsource-1-8.el10_2.ppc64le.rpm SHA-256: fa0d5a2e99110c1498f5f1a24194d7c97733553a615c319d8ad089fe1641c9a9 Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 SRPM kpatch-patch-6_12_0-211_16_1-1-8.el10_2.src.rpm SHA-256: fe434af8d8df28a99fed6e3f4c5462f2969a40ac96a1b02a6be3d15014ffc2b7 ppc64le kpatch-patch-6_12_0-211_16_1-1-8.el10_2.ppc64le.rpm SHA-256: 087f9c330f28f19d1afa9dab036964f4e8ffa524eec15fdd40a21ebe13e4e694 kpatch-patch-6_12_0-211_16_1-debuginfo-1-8.el10_2.ppc64le.rpm SHA-256: 969e74e5b044aeec5ccce5150815f687aaa8b977a97b558962df18756454b31d kpatch-patch-6_12_0-211_16_1-debugsource-1-8.el10_2.ppc64le.rpm SHA-256: fa0d5a2e99110c1498f5f1a24194d7c97733553a615c319d8ad089fe1641c9a9 Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 SRPM kpatch-patch-6_12_0-211_16_1-1-8.el10_2.src.rpm SHA-256: fe434af8d8df28a99fed6e3f4c5462f2969a40ac96a1b02a6be3d15014ffc2b7 x86_64 kpatch-patch-6_12_0-211_16_1-1-8.el10_2.x86_64.rpm SHA-256: db6a320bd02283adfa79c0a749cd1cfff97f385165a42b1bfa5d82678e5561e9 kpatch-patch-6_12_0-211_16_1-debuginfo-1-8.el10_2.x86_64.rpm SHA-256: d3e859941aa0c7544557d5c27925a608e0d25af19b5299bf418c291d5cda2986 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 SRPM kpatch-patch-6_12_0-211_16_1-1-8.el10_2.src.rpm SHA-256: fe434af8d8df28a99fed6e3f4c5462f2969a40ac96a1b02a6be3d15014ffc2b7 x86_64 kpatch-patch-6_12_0-211_16_1-1-8.el10_2.x86_64.rpm SHA-256: db6a320bd02283adfa79c0a749cd1cfff97f385165a42b1bfa5d82678e5561e9 kpatch-patch-6_12_0-211_16_1-debuginfo-1-8.el10_2.x86_64.rpm SHA-256: d3e859941aa0c7544557d5c27925a608e0d25af19b5299bf418c291d5cda2986 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 SRPM kpatch-patch-6_12_0-211_16_1-1-8.el10_2.src.rpm SHA-256: fe434af8d8df28a99fed6e3f4c5462f2969a40ac96a1b02a6be3d15014ffc2b7 ppc64le kpatch-patch-6_12_0-211_16_1-1-8.el10_2.ppc64le.rpm SHA-256: 087f9c330f28f19d1afa9dab036964f4e8ffa524eec15fdd40a21ebe13e4e694 kpatch-patch-6_12_0-211_16_1-debuginfo-1-8.el10_2.ppc64le.rpm SHA-256: 969e74e5b044aeec5ccce5150815f687aaa8b977a97b558962df18756454b31d kpatch-patch-6_12_0-211_16_1-debugsource-1-8.el10_2.ppc64le.rpm SHA-256: fa0d5a2e99110c1498f5f1a24194d7c97733553a615c319d8ad089fe1641c9a9 The Red Hat security contact is secalert@redhat.com . 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