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Red Hat Product Errata RHSA-2026:92063 - Security Advisory
Issued:
2026-10-28
Updated:
2026-10-28

RHSA-2026:92063 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-patch-4_18_0-477_130_1, kpatch-patch-4_18_0-477_143_1, and kpatch-patch-4_18_0-477_161_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 multiple packages is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions.

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-4.18.0-477.107.1.el8_8.

Security Fix(es):

  • kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite (CVE-2026-53266)
  • kernel: pppoe: reload header pointer after dev_hard_header() (CVE-2026-68121)
  • kernel: net: bridge: stop fast-leave after deleting a port group (CVE-2026-74480)
  • kernel: packet: use consistent hard_header_len in non-ring send paths (CVE-2026-74582)
  • kernel: xfrm: ah6: validate routing header segments_left (CVE-2026-80844)

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 - Extended Life Cycle Long Life 8.8 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64

Fixes

  • BZ - 2485368 - CVE-2026-53266 kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite
  • BZ - 2513233 - CVE-2026-68121 kernel: pppoe: reload header pointer after dev_hard_header()
  • BZ - 2517046 - CVE-2026-74480 kernel: net: bridge: stop fast-leave after deleting a port group
  • BZ - 2519475 - CVE-2026-74582 kernel: packet: use consistent hard_header_len in non-ring send paths
  • BZ - 2528676 - CVE-2026-80844 kernel: xfrm: ah6: validate routing header segments_left

CVEs

  • CVE-2026-53266
  • CVE-2026-68121
  • CVE-2026-74480
  • CVE-2026-74582
  • CVE-2026-80844

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 - Extended Life Cycle Long Life 8.8

SRPM
kpatch-patch-4_18_0-477_107_1-1-17.el8_8.src.rpm SHA-256: d6f96bb6d6c699bce30253d7e8eadbcaa480a8a6a44a4b37e4ceba0a072ccdba
kpatch-patch-4_18_0-477_120_1-1-16.el8_8.src.rpm SHA-256: 23ac1e6722eef5bf88bbae938d9b6aa968e44fbb7e989980b174341e4f095b31
kpatch-patch-4_18_0-477_130_1-1-14.el8_8.src.rpm SHA-256: 4918106331729ed7d0ebdbb1bc050f23471ac97c612a5bcc4a41bbed3c0fe957
kpatch-patch-4_18_0-477_143_1-1-10.el8_8.src.rpm SHA-256: 7f9970f9df1aacfcfecb9d755c71063de99118ba3fbae04f0ffc5af5e7cdbe7a
kpatch-patch-4_18_0-477_161_1-1-3.el8_8.src.rpm SHA-256: 30ac9f5b062155496654c6c074143162c3f0aa95c50dd72ec938f8158a09dc57
x86_64
kpatch-patch-4_18_0-477_107_1-1-17.el8_8.x86_64.rpm SHA-256: 52e9bdd62399493ca074e5c53b61b7e99c384b705982861949f7be035c96609c
kpatch-patch-4_18_0-477_107_1-debuginfo-1-17.el8_8.x86_64.rpm SHA-256: ffa6aef595d22215a89cf75a2b1a915b1e44a1aea69953161d3344d0558403f8
kpatch-patch-4_18_0-477_107_1-debugsource-1-17.el8_8.x86_64.rpm SHA-256: 69eddbd20e03d39aa68477df42fd9b6860798c70df72012a73a20536265f7af4
kpatch-patch-4_18_0-477_120_1-1-16.el8_8.x86_64.rpm SHA-256: 8e256c0bf20a2d18262f4e6cb6c1538bf80cd65669854f46d8265b9b5997ca15
kpatch-patch-4_18_0-477_120_1-debuginfo-1-16.el8_8.x86_64.rpm SHA-256: 9af1ca57398352078cdee985e7647c32e4e29ef6d0d2b310994ae5cd99622be9
kpatch-patch-4_18_0-477_120_1-debugsource-1-16.el8_8.x86_64.rpm SHA-256: b620db166362374a7a2b1eb590f45fca5e6da2b2bfaa78432aa4cbc861a1dc2f
kpatch-patch-4_18_0-477_130_1-1-14.el8_8.x86_64.rpm SHA-256: f36becbd7890bfceb8e4c1a6f11fb5e92d289cf84860ca69fc0a82a377788fbd
kpatch-patch-4_18_0-477_130_1-debuginfo-1-14.el8_8.x86_64.rpm SHA-256: 64a9abe58d2ec7befcad275f8eb5e89c09857a0a7ab2055b0f7ae2774ad8acec
kpatch-patch-4_18_0-477_130_1-debugsource-1-14.el8_8.x86_64.rpm SHA-256: b023183596a13b612feb5b2a4925e71db2a571557afec5dcb8e8b438d97d7f02
kpatch-patch-4_18_0-477_143_1-1-10.el8_8.x86_64.rpm SHA-256: 9b080bdc6d8805e7e36c8429db5223da8b6f551638d46135c13e526fdf773306
kpatch-patch-4_18_0-477_143_1-debuginfo-1-10.el8_8.x86_64.rpm SHA-256: 6e1f00ea2a1167c6122a1fcd726a0f35ae4be48485a160ee6c53f9b76ce56296
kpatch-patch-4_18_0-477_143_1-debugsource-1-10.el8_8.x86_64.rpm SHA-256: c39b7891a599126977eecc67fba5a122f0f78e897aaf8f3c3c4a853d7dc2ca95
kpatch-patch-4_18_0-477_161_1-1-3.el8_8.x86_64.rpm SHA-256: 4c09f45dc775cc0da9f24efd547fb9794d144b5fd0589a707761acd01f71b7ce
kpatch-patch-4_18_0-477_161_1-debuginfo-1-3.el8_8.x86_64.rpm SHA-256: 9f30c4db06db27ef0b0d4b272cac96c5b7ecb34412af362e6e6e99f8e22d38e6
kpatch-patch-4_18_0-477_161_1-debugsource-1-3.el8_8.x86_64.rpm SHA-256: 050d6a677fb3d30d47023d75cb14182e09cf9dbf1a65cfb111bb82fabde86129

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8

SRPM
kpatch-patch-4_18_0-477_107_1-1-17.el8_8.src.rpm SHA-256: d6f96bb6d6c699bce30253d7e8eadbcaa480a8a6a44a4b37e4ceba0a072ccdba
kpatch-patch-4_18_0-477_120_1-1-16.el8_8.src.rpm SHA-256: 23ac1e6722eef5bf88bbae938d9b6aa968e44fbb7e989980b174341e4f095b31
kpatch-patch-4_18_0-477_130_1-1-14.el8_8.src.rpm SHA-256: 4918106331729ed7d0ebdbb1bc050f23471ac97c612a5bcc4a41bbed3c0fe957
kpatch-patch-4_18_0-477_143_1-1-10.el8_8.src.rpm SHA-256: 7f9970f9df1aacfcfecb9d755c71063de99118ba3fbae04f0ffc5af5e7cdbe7a
kpatch-patch-4_18_0-477_161_1-1-3.el8_8.src.rpm SHA-256: 30ac9f5b062155496654c6c074143162c3f0aa95c50dd72ec938f8158a09dc57
ppc64le
kpatch-patch-4_18_0-477_107_1-1-17.el8_8.ppc64le.rpm SHA-256: bcd2fa152741260a5514c12722eac4bed30d643406b30d5645bbaabd20a9af6d
kpatch-patch-4_18_0-477_107_1-debuginfo-1-17.el8_8.ppc64le.rpm SHA-256: 7b55740276466bf56fef5d9b4f7293e360d1df34b319130249e293a0043cd0d6
kpatch-patch-4_18_0-477_107_1-debugsource-1-17.el8_8.ppc64le.rpm SHA-256: 79d8e2886dca90d061da347211c4ad2bd3d9f421bcd550f71a8294e31458fa56
kpatch-patch-4_18_0-477_120_1-1-16.el8_8.ppc64le.rpm SHA-256: bc3de07c30d5942d942a4691987efd98da57baeceae19c50053e76408f049c9d
kpatch-patch-4_18_0-477_120_1-debuginfo-1-16.el8_8.ppc64le.rpm SHA-256: 12a2a8231d53f5490efbddd7adbcbf3a9ae5c0b19cd20486b70cd5609316517a
kpatch-patch-4_18_0-477_120_1-debugsource-1-16.el8_8.ppc64le.rpm SHA-256: dd5a1d298f568675835b7d983f400c83483ed4e665cd102b086e034db39ed6c1
kpatch-patch-4_18_0-477_130_1-1-14.el8_8.ppc64le.rpm SHA-256: 1fe4f2da51d015302d8d914a2a3586a34dacba8a1edd20866dbc9a5c5ac85650
kpatch-patch-4_18_0-477_130_1-debuginfo-1-14.el8_8.ppc64le.rpm SHA-256: 3bad544d33655b1a019fc2ef66c5f27dc3530a4d07afa2d63e78a9d58380e031
kpatch-patch-4_18_0-477_130_1-debugsource-1-14.el8_8.ppc64le.rpm SHA-256: 299bf15ef0d048a953f444cab250108451e8efc1bd08cb1b1fc5a0610e4e1b5b
kpatch-patch-4_18_0-477_143_1-1-10.el8_8.ppc64le.rpm SHA-256: adb086488695290f17d0a10da94b3d086644c86dd6e4521816e00b3f2e9e3fa7
kpatch-patch-4_18_0-477_143_1-debuginfo-1-10.el8_8.ppc64le.rpm SHA-256: 3f7a1e50f18ec24ef08d8f9cfef4bfad1cdb7df5f96d49bba60e1a00f4401aa5
kpatch-patch-4_18_0-477_143_1-debugsource-1-10.el8_8.ppc64le.rpm SHA-256: afd98009e01632b665d854d1ca82224e744568037637b5ae841bc7cd0036d5b8
kpatch-patch-4_18_0-477_161_1-1-3.el8_8.ppc64le.rpm SHA-256: e6eee8f3adf880c05d3b13977b558dfd443c583aed97dd562359535589d9fc6b
kpatch-patch-4_18_0-477_161_1-debuginfo-1-3.el8_8.ppc64le.rpm SHA-256: 7b27bb3dd08be3c228254ca8b50759e7204894c07f5b76e9d33820dc76d5c331
kpatch-patch-4_18_0-477_161_1-debugsource-1-3.el8_8.ppc64le.rpm SHA-256: f798e4034440ef30589d35f31f05a3e49d52c0fe0c8c89caddad7d3bdb26e5ff

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8

SRPM
kpatch-patch-4_18_0-477_107_1-1-17.el8_8.src.rpm SHA-256: d6f96bb6d6c699bce30253d7e8eadbcaa480a8a6a44a4b37e4ceba0a072ccdba
kpatch-patch-4_18_0-477_120_1-1-16.el8_8.src.rpm SHA-256: 23ac1e6722eef5bf88bbae938d9b6aa968e44fbb7e989980b174341e4f095b31
kpatch-patch-4_18_0-477_130_1-1-14.el8_8.src.rpm SHA-256: 4918106331729ed7d0ebdbb1bc050f23471ac97c612a5bcc4a41bbed3c0fe957
kpatch-patch-4_18_0-477_143_1-1-10.el8_8.src.rpm SHA-256: 7f9970f9df1aacfcfecb9d755c71063de99118ba3fbae04f0ffc5af5e7cdbe7a
kpatch-patch-4_18_0-477_161_1-1-3.el8_8.src.rpm SHA-256: 30ac9f5b062155496654c6c074143162c3f0aa95c50dd72ec938f8158a09dc57
x86_64
kpatch-patch-4_18_0-477_107_1-1-17.el8_8.x86_64.rpm SHA-256: 52e9bdd62399493ca074e5c53b61b7e99c384b705982861949f7be035c96609c
kpatch-patch-4_18_0-477_107_1-debuginfo-1-17.el8_8.x86_64.rpm SHA-256: ffa6aef595d22215a89cf75a2b1a915b1e44a1aea69953161d3344d0558403f8
kpatch-patch-4_18_0-477_107_1-debugsource-1-17.el8_8.x86_64.rpm SHA-256: 69eddbd20e03d39aa68477df42fd9b6860798c70df72012a73a20536265f7af4
kpatch-patch-4_18_0-477_120_1-1-16.el8_8.x86_64.rpm SHA-256: 8e256c0bf20a2d18262f4e6cb6c1538bf80cd65669854f46d8265b9b5997ca15
kpatch-patch-4_18_0-477_120_1-debuginfo-1-16.el8_8.x86_64.rpm SHA-256: 9af1ca57398352078cdee985e7647c32e4e29ef6d0d2b310994ae5cd99622be9
kpatch-patch-4_18_0-477_120_1-debugsource-1-16.el8_8.x86_64.rpm SHA-256: b620db166362374a7a2b1eb590f45fca5e6da2b2bfaa78432aa4cbc861a1dc2f
kpatch-patch-4_18_0-477_130_1-1-14.el8_8.x86_64.rpm SHA-256: f36becbd7890bfceb8e4c1a6f11fb5e92d289cf84860ca69fc0a82a377788fbd
kpatch-patch-4_18_0-477_130_1-debuginfo-1-14.el8_8.x86_64.rpm SHA-256: 64a9abe58d2ec7befcad275f8eb5e89c09857a0a7ab2055b0f7ae2774ad8acec
kpatch-patch-4_18_0-477_130_1-debugsource-1-14.el8_8.x86_64.rpm SHA-256: b023183596a13b612feb5b2a4925e71db2a571557afec5dcb8e8b438d97d7f02
kpatch-patch-4_18_0-477_143_1-1-10.el8_8.x86_64.rpm SHA-256: 9b080bdc6d8805e7e36c8429db5223da8b6f551638d46135c13e526fdf773306
kpatch-patch-4_18_0-477_143_1-debuginfo-1-10.el8_8.x86_64.rpm SHA-256: 6e1f00ea2a1167c6122a1fcd726a0f35ae4be48485a160ee6c53f9b76ce56296
kpatch-patch-4_18_0-477_143_1-debugsource-1-10.el8_8.x86_64.rpm SHA-256: c39b7891a599126977eecc67fba5a122f0f78e897aaf8f3c3c4a853d7dc2ca95
kpatch-patch-4_18_0-477_161_1-1-3.el8_8.x86_64.rpm SHA-256: 4c09f45dc775cc0da9f24efd547fb9794d144b5fd0589a707761acd01f71b7ce
kpatch-patch-4_18_0-477_161_1-debuginfo-1-3.el8_8.x86_64.rpm SHA-256: 9f30c4db06db27ef0b0d4b272cac96c5b7ecb34412af362e6e6e99f8e22d38e6
kpatch-patch-4_18_0-477_161_1-debugsource-1-3.el8_8.x86_64.rpm SHA-256: 050d6a677fb3d30d47023d75cb14182e09cf9dbf1a65cfb111bb82fabde86129

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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