Red Hat Product Errata RHSA-2026:36186 - Security Advisory Issued: 2026-07-07 Updated: 2026-07-07 RHSA-2026:36186 - Security Advisory Overview Updated Packages Synopsis Important: kernel 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 kernel is now available for NVIDIA for RHEL 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 The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): kernel: eventpoll: defer struct eventpoll free to RCU grace period (CVE-2026-43074) kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF (CVE-2026-46242) 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. Additional Changes: For detailed information on changes in this release, see the NVIDIA for RHEL 10 Release Notes linked from 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 The system must be rebooted for this update to take effect. Affected Products Red Hat Enterprise Linux for ARM 64 10 aarch64 Fixes BZ - 2467019 - CVE-2026-43074 kernel: eventpoll: defer struct eventpoll free to RCU grace period BZ - 2483519 - CVE-2026-46242 kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF VOYAGER-1233 - [Exploits (KEV)] CVE-2026-46242 kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF [voyager-26.02] VOYAGER-1238 - CVE-2026-43074 kernel: eventpoll: defer struct eventpoll free to RCU grace period [voyager 26.02] CVEs CVE-2026-43074 CVE-2026-46242 References https://access.redhat.com/security/updates/classification/#important https://docs.redhat.com/en/documentation/red_hat_enterprise_linux_for_nvidia/26.01/html/26.01_release_notes/index Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for ARM 64 10 SRPM kernel-6.12.0-231.15.el10nv.src.rpm SHA-256: 68d6ed34e73d6f22e4c649fd2de830ab45319bae89dcdbaf594d1d81fb19a4e4 aarch64 kernel-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 8e6aba9c0559dcbcd339633237b30d1c7f15b892ceaebcf7154ad15a243be190 kernel-64k-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 6b694e3f62b9dbd31eddcd70fc972992055f469a74dffdfbd91cfe138a5410ac kernel-64k-core-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 1b61f95a18909369c631e48d8eb5114774e06567d7cfa20afce174e281abf177 kernel-64k-debug-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: fb518fbb12347b381a43731064dfd6a2650e393ccba42a8c70fa2da227984ef3 kernel-64k-debug-core-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 81a9fc6bcff3df5cfbf1c844ba4cf6f3413a58cb12d60d11a52a2db8b5fbd4d9 kernel-64k-debug-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: a22838e1ded7983d1b8b17cdce4abf1ef8b060cd3eafd386d07808bbb70325f6 kernel-64k-debug-modules-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 2c0b1c9096ccede261510b1f7e1f5d58897875b55ddff09414b4fc44f3ceac1b kernel-64k-debug-modules-core-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 844962958bac2ada6d4b3c2751435d0999eae4aee0b6031e8bad4105d2ab0ef0 kernel-64k-debug-modules-extra-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 2dea42123328f9f1d34141e16ca3b4ed6c3c5147bc0d2b8dc33b3bc8f30aecf1 kernel-64k-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: f0440a6e13eb517d1aa56cc438cf5986b99ed47b8399806231be00cbce498f2a kernel-64k-modules-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: a30598cb0e56494aa7aaf9d01bfe184f91752e2e081670a9faa67f82da73579b kernel-64k-modules-core-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 2585e04b14b458539e627eaff63b7407806af9a3ae7e13cc4a8424a3143219ed kernel-64k-modules-extra-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: dbe7058427ddc2ef9d286de311746f3c4766cf0684399aec076bc3d954d5f5d3 kernel-abi-stablelists-6.12.0-231.15.el10nv.noarch.rpm SHA-256: 41ea8fec17a85212067102b663f9db12c36afe302a1c4680d6368db4e4baa41a kernel-core-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 289712c0eae133b8fe0e6dafed65ad37b84024b9622708568da6b9a62f3fa5dd kernel-debug-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: f75543be4a8d5b68ea76e64a4bb08db0adacb3fb64b09863e5af0ade99e0f775 kernel-debug-core-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 39ceda9c895e32da8c66f32d70a8aaab18edc68d0823fc95226181be869b1514 kernel-debug-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: f4a6e888d8b32440d88382dd229a99c8e1fde763f1703f6ff8f68a30f755ca69 kernel-debug-devel-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 2a1cf6741a5426348d784a0543372d41a2d4d26e00d4cd3eee82574f88d5b6c8 kernel-debug-devel-matched-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: f38fffd3fca851e685149da607846fb3053a5405583efa0aca40bb6018606fa8 kernel-debug-modules-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 228d14d1faf40c4174cc198ca04641717b90765f18805d0556c4e43bf899634a kernel-debug-modules-core-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: bf9b8c735c57673acf13c474dcdf3dcf756779e138d4a22b78e2f53952e753f3 kernel-debug-modules-extra-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: b026abe71408a627f9d90d6d6454c9f0fba61b3a8569a29fc665d776d820e8eb kernel-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 27f4b85453b3e03601aaf1834bf0d1b79a4746d965aa364463cd4b2718f971c8 kernel-debuginfo-common-aarch64-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 0d24ab017e699e2787d6593412232c8ae6b4ee245c6fffd30789a9f284a2d57b kernel-devel-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 7c1bd78d3b4617f03cb7462cbfc221339fbc694580c55e631c4b4e6cee2b438c kernel-devel-matched-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: d5897d67bce227e237c58abb440b990b921b89277efd44f1768110e582837a66 kernel-doc-6.12.0-231.15.el10nv.noarch.rpm SHA-256: 0ed1585cfaa4c635185ea814227ee0b83d67094b78f11dc1854b05625e4cebd0 kernel-headers-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 98ccee52baeff729bb3405080d470120d5f1f716b90da1951705d43d93dc3bf9 kernel-modules-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 4ca19a48ce6f23004dfbe8a46bdd151eeaa2adff41ff6190fba4ef120ab61672 kernel-modules-core-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 6e2744ac046bd2192680af78bba56eb5b4020c7d1bd458f2f05af47361ea5e12 kernel-modules-extra-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 401146889213d034ab87984dc0389595a835e9a528628290efe41d2df589d389 kernel-modules-extra-matched-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 3982e351290668f40fcad44dbdef1c880062a3b6f7531865611627a95fb77fc6 kernel-tools-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 90bb232699695a34f254309f639fbd1b75fd98f90764126b6bd48a7c47eaccf2 kernel-tools-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: fbf3249ab1a6e6e4e874e858864a3863f374a0d43d6294c47fab71b8f1a69dc2 kernel-tools-libs-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 003aaabf917ff5045bf1896c01d3c729214f60fca2cffd49fd7f3436e3d6df09 kernel-uki-virt-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: a9f043a1ec46de81dcb58dab2602a924c064d450eb6f0c8506ab7efed3fcb6a2 kernel-uki-virt-addons-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 2d608560baa054c04a172e02b15b5f5e998859497c8887b0114060418fe76405 libperf-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 6c592728f67872132a24ce6f0834e0f8a3b3aa31bdafad3b5d38ec81964c059e perf-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: c1d35b5285fd0040cd86790c8c93197f8900edb4205742f2df777ec0e5b0c3e8 perf-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 771f0fa99659569c3315f18d34890c57b9e7c0177c782692cf9e11686271d23a python3-perf-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: a5c970130bf415f0a6af31a6dbb7b7097c988aba9fba36d0305bb763e8ae4c51 python3-perf-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 24b92f5f1e7cc1c19d7e8b43064e0556c8d80eee5f5e745fcc664678548747cf rtla-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 7508911291fe46472c70d22c84bfe240eb0a4f8d5f88ef8a0959ca9194d9b0f1 rtla-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: 6ed3e4f144f465c091bf6bb9cd09b1fa2ac1f11161ba05c81231167a1493e22f rv-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: c685457ca582527d6e06a41552706a6b4d3ff9f33c0120eaa06de2c1076f0658 rv-debuginfo-6.12.0-231.15.el10nv.aarch64.rpm SHA-256: b4bc9aea2ba8a4012a08467851902265bbfd5e322447b0c6b8694cbd705379ec The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .