Red Hat Product Errata RHSA-2026:39083 - Security Advisory Issued: 2026-07-14 Updated: 2026-07-14 RHSA-2026:39083 - Security Advisory Overview Updated Packages Synopsis Important: kernel update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic Please update Description Please update Solution Please update Affected Products Red Hat Enterprise Linux for x86_64 8 x86_64 Red Hat Enterprise Linux for IBM z Systems 8 s390x Red Hat Enterprise Linux for Power, little endian 8 ppc64le Red Hat Enterprise Linux for ARM 64 8 aarch64 Red Hat CodeReady Linux Builder for x86_64 8 x86_64 Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le Red Hat CodeReady Linux Builder for ARM 64 8 aarch64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x Fixes BZ - 2429036 - CVE-2025-71066 kernel: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change BZ - 2429104 - CVE-2025-71089 kernel: iommu: disable SVA when CONFIG_X86 is set BZ - 2456521 - CVE-2026-31411 kernel: net: atm: fix crash due to unvalidated vcc pointer in sigd_send() BZ - 2480453 - CVE-2026-43499 kernel: rtmutex: Use waiter::task instead of current in remove_waiter() BZ - 2482587 - CVE-2026-46113 kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN BZ - 2485368 - CVE-2026-53266 kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite BZ - 2492805 - CVE-2026-53166 kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock BZ - 2497033 - CVE-2026-53359 kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role CVEs CVE-2025-71066 CVE-2025-71089 CVE-2026-31411 CVE-2026-43499 CVE-2026-46113 CVE-2026-53166 CVE-2026-53266 CVE-2026-53359 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. 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Red Hat Enterprise Linux for x86_64 8 SRPM kernel-4.18.0-553.143.1.el8_10.src.rpm SHA-256: 66b34d120188f4992b0bf0de3d09860a9b8f805fc276afac3dbea2ac4b418569 x86_64 bpftool-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 56fae6aff9ef7388d1c6a6e46fc886b453b1f9b373628bb9c13af7b89f66765b bpftool-debuginfo-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 48cb9bce7dcaad66fc92e8896820d7d5be92202dab2e592be0ce53d5c30c0162 kernel-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: ffa41ae8bede076ea86729ce9610890fe22ce5bf6837e5744805305d541216b6 kernel-abi-stablelists-4.18.0-553.143.1.el8_10.noarch.rpm SHA-256: 66d247375dc7341c866e8803baa6fe101a7ebeae1ee322f429f1716be1f949f0 kernel-core-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: eaba3754742468c8d24780691aeb7d530e53e85e120610274953f11231d1d443 kernel-cross-headers-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 9b400f857ab7432de43518b6946b0c1454e84162519d9f1cc6e1b084f8a5c7e8 kernel-debug-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 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kernel-devel-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 83c7bea427e0ea213ece6021e61b5fd03bdf761c999168d75686c28b1f7afb3c kernel-doc-4.18.0-553.143.1.el8_10.noarch.rpm SHA-256: 0f358dd67a7e21b991607310bb33342c733988f539d423989e2a3b0341ed7078 kernel-headers-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: e80e8a64cdb0743026f557142f2b120060c5fa900a736c381048732bee259cfc kernel-modules-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 6c51f937364b7b81aa50c35c136243acd33de2ea7777e472600707dc29c0bec3 kernel-modules-extra-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 27bd737a78a83671fbf880d9ca65c1e7de676a750790737374c488e6b6ceedb8 kernel-tools-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 51d3630817b27b2067116552cd2294e39001244bf9c95d919cd8bb88a75477e4 kernel-tools-debuginfo-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 1d392f5c72481a0036e7990287c0f84a462e5292c17b5a5c1d4d4302ac07de80 kernel-tools-libs-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 1aa0f1166361ee993efa0fad844638ece52a0a56c5c80f20ae5a584c4252fef5 perf-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: ab47b72a33459d09235d042c49f4d2fba723f097553bc9aea527033540e89158 perf-debuginfo-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: f431b5ddb90b0673ee98a05b9ad334898d51b86abee0110b7649b39fb25a0ebd python3-perf-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 19bf4aa346d8b2a526a79a0efa5a477158948f7afacd932798c60bab0f9792bd python3-perf-debuginfo-4.18.0-553.143.1.el8_10.x86_64.rpm SHA-256: 5b663dfa827c86bc4eba2ef83fce0997e1b8f86d6618b1ba60b0eb35216e812c Red Hat Enterprise Linux for IBM z Systems 8 SRPM kernel-4.18.0-553.143.1.el8_10.src.rpm SHA-256: 66b34d120188f4992b0bf0de3d09860a9b8f805fc276afac3dbea2ac4b418569 s390x bpftool-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: b3600ef1c1e20b52618bebc075fcd3f23f93413d33d1e5eb7d1315f1fbc292d9 bpftool-debuginfo-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: d024be6dcfa2a244ab47877ef35390b3d7b70b23eb276173e0b8e48d2c0e7d91 kernel-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: 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kernel-debug-modules-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: 296d9e599dfa0d0526035103b1c803a46f036a3a557acfe404a9e43bdf78ddf5 kernel-debug-modules-extra-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: da6f3839ae4a12fe1b6b59591ce928e8bf1a9c7f3a15cf3136e2f573d3383dc1 kernel-debuginfo-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: 2d2e860d08b09e30ef3e7dd1b02262c547df0d4883c499ce556c3f45d1c7fe9e kernel-debuginfo-common-s390x-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: cf98833216b2bba3e451bc41fb682edd529bf92b3674fdaad8cee545432f7f9c kernel-devel-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: 4c5f32b48482b6b805c1e18bc787259342b04e07ef696a32dd82c4758402e453 kernel-doc-4.18.0-553.143.1.el8_10.noarch.rpm SHA-256: 0f358dd67a7e21b991607310bb33342c733988f539d423989e2a3b0341ed7078 kernel-headers-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: 14878305e83ba7a06cdad4d92487650502bc2583f995a2fb8e8a6cbfc6f6d3f0 kernel-modules-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: 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kernel-zfcpdump-modules-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: f9df20ff83e99eae90c99c6198b45c52e9d9c214e4b0b959920dab3e4c93b32f kernel-zfcpdump-modules-extra-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: 497dd0b1489cfd73889b1d7b85324fc17629579f74c0ac3ebe1e88777f85bc68 perf-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: 9c43dc1074e6ed9e7ff523f2057525ac450236b57e722e69db7315154c0731bb perf-debuginfo-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: df4955fbb994376d7adc93ad4c94f50068ca8c10f75182e287730976cac8a6eb python3-perf-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: c04de6645cf7652e79334cfa9fd9fadb0b7b0680b3f93ce88ab0572da41efc8f python3-perf-debuginfo-4.18.0-553.143.1.el8_10.s390x.rpm SHA-256: 1ec658335f19a1f3a151cfed61624d241640100850bfc589841b536a94711a19 Red Hat Enterprise Linux for Power, little endian 8 SRPM kernel-4.18.0-553.143.1.el8_10.src.rpm SHA-256: 66b34d120188f4992b0bf0de3d09860a9b8f805fc276afac3dbea2