Red Hat Product Errata RHSA-2026:55837 - Security Advisory Issued: 2026-08-17 Updated: 2026-08-17 RHSA-2026:55837 - Security Advisory Overview Updated Packages Synopsis Important: kpatch-patch-5_14_0-284_117_1, kpatch-patch-5_14_0-284_134_1, kpatch-patch-5_14_0-284_148_1, kpatch-patch-5_14_0-284_158_1, and kpatch-patch-5_14_0-284_172_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 9.2 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-5.14.0-284.117.1.el9_2. Security Fix(es): kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (CVE-2026-43038) kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125) kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle (CVE-2026-64530) 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 Server - AUS 9.2 x86_64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.2 x86_64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.2 ppc64le Fixes BZ - 2464397 - CVE-2026-43038 kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() BZ - 2467234 - CVE-2026-43125 kernel: dlm: validate length in dlm_search_rsb_tree BZ - 2468124 - CVE-2026-43329 kernel: netfilter: flowtable: strictly check for maximum number of actions BZ - 2504052 - CVE-2026-64530 kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle CVEs CVE-2026-43038 CVE-2026-43125 CVE-2026-43329 CVE-2026-64530 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 Server - AUS 9.2 SRPM kpatch-patch-5_14_0-284_117_1-1-19.el9_2.src.rpm SHA-256: f36bac2c2eaec846e9098d91ad199ca152ffe040ed0ffc353dc99ad400b24832 kpatch-patch-5_14_0-284_134_1-1-13.el9_2.src.rpm SHA-256: b312fd37d8da5a78d8eb2a4974cdf384927fe8f2a8c0c93eaba0fa81552ceb80 kpatch-patch-5_14_0-284_148_1-1-11.el9_2.src.rpm SHA-256: a94f6dff896a8fd3bc1d19569af5597b0e4e306ae1ae77513c1f00d70015c2ae kpatch-patch-5_14_0-284_158_1-1-9.el9_2.src.rpm SHA-256: dddfd89c87589428926fe7d2e4d69ce3f5f65f1e6382764151baa9471e357c83 kpatch-patch-5_14_0-284_172_1-1-6.el9_2.src.rpm SHA-256: c42d5246603c524f65aaff16bfe786d41df480926ee07c0af4385727214d5a51 x86_64 kpatch-patch-5_14_0-284_117_1-1-19.el9_2.x86_64.rpm SHA-256: 50f14b76f8c28b2cc1ead6f1bccf2cf44e915b28d36c5534fd0bef2d199e1912 kpatch-patch-5_14_0-284_117_1-debuginfo-1-19.el9_2.x86_64.rpm SHA-256: 0c53c6a1dbee9d3f69804dcf2e4636cb4e575667ca20351e989eae5900e38bdb kpatch-patch-5_14_0-284_117_1-debugsource-1-19.el9_2.x86_64.rpm SHA-256: 29e40425773b3822e5b3781ea273185d364c0e58aba3588ff68ac82d0d346140 kpatch-patch-5_14_0-284_134_1-1-13.el9_2.x86_64.rpm SHA-256: 01b46a4177ad9b651aeae957ea32e70e9001d8ecccd49a27f70d79d79d619ebd kpatch-patch-5_14_0-284_134_1-debuginfo-1-13.el9_2.x86_64.rpm SHA-256: 355c02b8601cfafe9a5e021578d33e7f06f1eca3a560c295b35b5302c8e6a7a4 kpatch-patch-5_14_0-284_134_1-debugsource-1-13.el9_2.x86_64.rpm SHA-256: 6d9198d4771708082761e8f5e60763b6a24013e0196034a494baa3ce15f2321f kpatch-patch-5_14_0-284_148_1-1-11.el9_2.x86_64.rpm SHA-256: 06fd857cf42da6ce1e349483401fcfcfe7b8117ef26a1c54b6d9dc9950481ee1 kpatch-patch-5_14_0-284_148_1-debuginfo-1-11.el9_2.x86_64.rpm SHA-256: 6dc094ea5748a84b7ffdc9aae8f762f7ea7e329e7484ac9acf6d7d37dd5910c7 kpatch-patch-5_14_0-284_148_1-debugsource-1-11.el9_2.x86_64.rpm SHA-256: d2151f831dc3054de4ac5263521e7bdd56821d1785bdc3e86c26f779a5f6c8e9 kpatch-patch-5_14_0-284_158_1-1-9.el9_2.x86_64.rpm SHA-256: 8a6d55b0b7de49fd3b9e23d9a1edbd3e70b35074b1d68ba1af9a16071584c321 kpatch-patch-5_14_0-284_158_1-debuginfo-1-9.el9_2.x86_64.rpm SHA-256: 1b1e4e917daef0ba5cd1dd8f0601c7cc0cd79ff05a5c3cef7f88bbd2aab15740 kpatch-patch-5_14_0-284_158_1-debugsource-1-9.el9_2.x86_64.rpm SHA-256: e31e3f6b82a06d889e35aadaa18d9439224d83f73011986573671c3f9d70ff48 kpatch-patch-5_14_0-284_172_1-1-6.el9_2.x86_64.rpm SHA-256: a8c7a8f177f02ccd91a3a7a9e34a76487e4180c1d7fa5dcce2fe144c69972ea8 kpatch-patch-5_14_0-284_172_1-debuginfo-1-6.el9_2.x86_64.rpm SHA-256: 5e51bb7b9fb5f3939629e14049ffe643941df43058b1360f381e771cf8fba418 kpatch-patch-5_14_0-284_172_1-debugsource-1-6.el9_2.x86_64.rpm SHA-256: 70e6c738604a1d6c538e455780cd6a2c741cc5d353f6fdc559380c3377a62d00 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 SRPM kpatch-patch-5_14_0-284_117_1-1-19.el9_2.src.rpm SHA-256: f36bac2c2eaec846e9098d91ad199ca152ffe040ed0ffc353dc99ad400b24832 kpatch-patch-5_14_0-284_134_1-1-13.el9_2.src.rpm SHA-256: b312fd37d8da5a78d8eb2a4974cdf384927fe8f2a8c0c93eaba0fa81552ceb80 kpatch-patch-5_14_0-284_148_1-1-11.el9_2.src.rpm SHA-256: a94f6dff896a8fd3bc1d19569af5597b0e4e306ae1ae77513c1f00d70015c2ae kpatch-patch-5_14_0-284_158_1-1-9.el9_2.src.rpm SHA-256: dddfd89c87589428926fe7d2e4d69ce3f5f65f1e6382764151baa9471e357c83 kpatch-patch-5_14_0-284_172_1-1-6.el9_2.src.rpm SHA-256: c42d5246603c524f65aaff16bfe786d41df480926ee07c0af4385727214d5a51 ppc64le kpatch-patch-5_14_0-284_117_1-1-19.el9_2.ppc64le.rpm SHA-256: 4b8b509da668d0d86a375f367b92c54bd089570e69a9dd4329642fd393413850 kpatch-patch-5_14_0-284_117_1-debuginfo-1-19.el9_2.ppc64le.rpm SHA-256: cbe1c5fc644d62edf52314029d04a3552ff06ed1b07893c7d1c4308200d4eeb9 kpatch-patch-5_14_0-284_117_1-debugsource-1-19.el9_2.ppc64le.rpm SHA-256: e9d6a5ffb95da03824355859f3499e6d6a1515516133b064cc44ed023efb274b kpatch-patch-5_14_0-284_134_1-1-13.el9_2.ppc64le.rpm SHA-256: 5e9a79d126f6671777ddee98d4c04ae710271f1c2353007e906364c8fdf5c6e2 kpatch-patch-5_14_0-284_134_1-debuginfo-1-13.el9_2.ppc64le.rpm SHA-256: 0c5ff41228a22eea983e16dd95d54ab6c3b3fbe890b303c01d4f03c606650967 kpatch-patch-5_14_0-284_134_1-debugsource-1-13.el9_2.ppc64le.rpm SHA-256: 6246fb13eaa0a9ee2bef0a562ddcf503ce650ca2f998d8755fa8461d1f9bdef1 kpatch-patch-5_14_0-284_148_1-1-11.el9_2.ppc64le.rpm SHA-256: 6326c6b2f866d3eb66e399d4c02fddea1f97764d997bcdfc363b1a4ca9bd7bfb kpatch-patch-5_14_0-284_148_1-debuginfo-1-11.el9_2.ppc64le.rpm SHA-256: 997e7e1cb11c205865adc5953261eb939c03f2663878aa8b6c66d1b22a8d57a6 kpatch-patch-5_14_0-284_148_1-debugsource-1-11.el9_2.ppc64le.rpm SHA-256: 49e8fe4f6ebbb183ef32dd4d5e985180188df5a8ffedfecd95e93bc8b83efe1d kpatch-patch-5_14_0-284_158_1-1-9.el9_2.ppc64le.rpm SHA-256: a0e09af943d49d38f50136289d6ffcc046442a66fe08b2b667e7fe1d62880663 kpatch-patch-5_14_0-284_158_1-debuginfo-1-9.el9_2.ppc64le.rpm SHA-256: 92bf868e83f819518721a5e15bf8beb48b48784e5221374e10bae05da883db4f kpatch-patch-5_14_0-284_158_1-debugsource-1-9.el9_2.ppc64le.rpm SHA-256: db93b45efba497cecf8af8824eaad8ef683f319cae3f89f3baf1bc3f3d36611f kpatch-patch-5_14_0-284_172_1-1-6.el9_2.ppc64le.rpm SHA-256: ee5d423acf864c57f9b31897dbd2b8a9a4bb2c83e677fd6b5112508d4052520e kpatch-patch-5_14_0-284_172_1-debuginfo-1-6.el9_2.ppc64le.rpm SHA-256: f98a2d83c8d7805469e41daf0cb2b54d628bc6915e3baa66691f94d503c21dd9 kpatch-patch-5_14_0-284_172_1-debugsource-1-6.el9_2.ppc64le.rpm SHA-256: ef2c8f261dd8f932191bb4340b7b6826e9925f49d8be4d053d64dfcdf27b4d55 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 SRPM kpatch-patch-5_14_0-284_117_1-1-19.el9_2.src.rpm SHA-256: f36bac2c2eaec846e9098d91ad199ca152ffe040ed0ffc353dc99ad400b24832 kpatch-patch-5_14_0-284_134_1-1-13.el9_2.src.rpm SHA-256: b312fd37d8da5a78d8eb2a4974cdf384927fe8f2a8c0c93eaba0fa81552ceb80 kpatch-patch-5_14_0-284_148_1-1-11.el9_2.src.rpm SHA-256: a94f6dff896a8fd3bc1d19569af5597b0e4e306ae1ae77513c1f00d70015c2ae kpatch-patch-5_14_0-284_158_1-1-9.el9_2.src.rpm SHA-256: dddfd89c87589428926fe7d2e4d69ce3f5f65f1e6382764151baa9471e357c83 kpatch-patch-5_14_0-284_172_1-1-6.el9_2.src.rpm SHA-256: c42d5246603c524f65aaff16bfe786d41df480926ee07c0af4385727214d5a51 x86_64 kpatch-patch-5_14_0-284_117_1-1-19.el9_2.x86_64.rpm SHA-256: 50f14b76f8c28b2cc1ead6f1bccf2cf44e915b28d36c5534fd0bef2d199e1912 kpatch-patch-5_14_0-284_117_1-debuginfo-1-19.el9_2.x86_64.rpm SHA-256: 0c53c6a1dbee9d3f69804dcf2e4636cb4e575667ca20351e989eae5900e38bdb kpatch-patch-5_14_0-284_117_1-debugsource-1-19.el9_2.x86_64.rpm SHA-256: 29e40425773b3822e5b3781ea273185d364c0e58aba3588ff68ac82d0d346140 kpatch-patch-5_14_0-284_134_1-1-13.el9_2.x86_64.rpm SHA-256: 01b46a4177ad9b651aeae957ea32e70e9001d8ecccd49a27f70d79d79d619ebd kpatch-patch-5_14_0-284_134_1-debuginfo-1-13.el9_2.x86_64.rpm SHA-256: 355c02b8601cfafe9a5e021578d33e7f06f1eca3a560c295b35b5302c8e6a7a4 kpatch-patch-5_14_0-284_134_1-debugsource-1-13.el9_2.x86_64.rpm SHA-256: 6d9198d4771708082761e8f5e60763b6a24013e0196034a494baa3ce15f2321f kpatch-patch-5_14_0-284_148_1-1-11.el9_2.x86_64.rpm SHA-256: 06fd857cf42da6ce1e349483401fcfcfe7b8117ef26a1c54b6d9dc9950481ee1 kpatch-patch-5_14_0-284_148_1-debuginfo-1-11.el9_2.x86_64.rpm SHA-256: 6dc094ea5748a84b7ffdc9aae8f762f7ea7e329e7484ac9a