{"id":"ALSA-2026:72468","summary":"Important: kernel security update","details":"The kernel packages contain the Linux kernel, the core of any Linux operating system.  \n\nSecurity Fix(es):  \n\n  * kernel: fbcon: Set fb_display[i]-\u003emode to NULL when the mode is released (CVE-2025-40323)\n  * kernel: ext4: fix e4b bitmap inconsistency reports (CVE-2026-45942)\n  * kernel: drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg (CVE-2026-46230)\n  * kernel: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB (CVE-2026-46204)\n  * kernel: drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg (CVE-2026-46199)\n  * kernel: arm64: tlb: Flush walk cache when unsharing PMD tables (CVE-2026-63875)\n  * kernel: net: mana: Fix TOCTOU double-fetch of hwc_msg_id from DMA buffer (CVE-2026-64034)\n  * kernel: perf/core: Detach event groups during remove_on_exec (CVE-2026-64556)\n  * kernel: Linux kernel: libceph stack out-of-bounds write via crafted OSDMap (CVE-2026-68159)\n  * kernel: libceph: refresh auth-\u003eauthorizer_buf{,_len} after authorizer update (CVE-2026-68156)\n  * kernel: Linux kernel (libceph): Denial of Service due to malformed monitor maps (CVE-2026-68155)\n  * kernel: drm/amdgpu: Fix context pstate override handling (CVE-2026-68273)\n  * kernel: perf: Reject exited events as group leaders (CVE-2026-74753)\n\n\nFor 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.\n","modified":"2026-09-28T17:26:53.751067109Z","published":"2026-09-28T00:00:00Z","related":["CVE-2025-40323","CVE-2026-45942","CVE-2026-46199","CVE-2026-46204","CVE-2026-46230","CVE-2026-63875","CVE-2026-64034","CVE-2026-64556","CVE-2026-68155","CVE-2026-68156","CVE-2026-68159","CVE-2026-68273","CVE-2026-74753"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72468"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-40323"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-45942"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-46199"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-46204"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-46230"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-63875"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64034"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64556"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68155"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68156"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68159"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68273"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-74753"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2419883"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2482104"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2482533"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2482543"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2482649"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502318"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502394"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2508319"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513165"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513232"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513295"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513434"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2524434"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-72468.html"}],"affected":[{"package":{"name":"bpftool","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bpftool"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.169.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:72468.json"}},{"package":{"name":"kernel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.169.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:72468.json"}},{"package":{"name":"kernel-abi-stablelists","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-abi-stablelists"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.169.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:72468.json"}},{"package":{"name":"kernel-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.169.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:72468.json"}},{"package":{"name":"kernel-cross-headers","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-cross-headers"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.169.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:72468.json"}},{"package":{"name":"kernel-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.169.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:72468.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.169.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:72468.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.169.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalin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