{"id":"ALSA-2026:55764","summary":"Important: kernel security, bug fix, and enhancement update","details":"The kernel packages contain the Linux kernel, the core of any Linux operating system.  \n\nSecurity Fix(es):  \n\n  * kernel: mm/slub: avoid accessing metadata when pointer is invalid in object_err() (CVE-2025-39902)\n  * kernel: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (CVE-2026-43206)\n  * kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016)\n  * kernel: drm/amd/display: Clamp VBIOS HDMI retimer register count to array size (CVE-2026-53136)\n  * kernel: drm/amd/display: Use krealloc_array() in dal_vector_reserve() (CVE-2026-53329)\n  * kernel: drm/amdgpu: zero-initialize GART table on allocation (CVE-2026-53374)\n  * kernel: drm/i915: Fix potential UAF in TTM object purge (CVE-2026-63884)\n  * kernel: drm/amdgpu: fix amdgpu_hmm_range_get_pages (CVE-2026-63879)\n  * kernel: drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_async (CVE-2026-64219)\n  * kernel: can:bcm: arbitrary kernel code execution leading to escalate privileges (CVE-2026-17523)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * Backport \"sched/deadline: Fix bandwidth reclaim equation in GRUB\" to AlmaLinux 8.10 (JIRA:AlmaLinux-189997)\n  * vhost: reset the vring metadata cache on vring reconfiguration [almalinux-8.10.z] (JIRA:AlmaLinux-224556)\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":"2026-08-18T11:27:24.256871710Z","published":"2026-08-17T00:00:00Z","related":["CVE-2025-39902","CVE-2026-17523","CVE-2026-43206","CVE-2026-53016","CVE-2026-53136","CVE-2026-53329","CVE-2026-53374","CVE-2026-63879","CVE-2026-63884","CVE-2026-64219"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:55764"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-39902"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-17523"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-43206"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-53016"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-53136"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-53329"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-53374"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-63879"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-63884"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64219"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2400594"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2467156"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492269"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492768"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2495941"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502188"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502321"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502463"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2506790"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2507407"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-55764.html"}],"affected":[{"package":{"name":"bpftool","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bpftool"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-abi-stablelists","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-abi-stablelists"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-cross-headers","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-cross-headers"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-debug-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-debug-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-doc","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-doc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-headers","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-headers"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-tools","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-tools"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-tools-libs","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-tools-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-tools-libs-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-tools-libs-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-zfcpdump","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-zfcpdump"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-zfcpdump-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-zfcpdump-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-zfcpdump-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-zfcpdump-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-zfcpdump-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-zfcpdump-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"kernel-zfcpdump-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-zfcpdump-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"perf","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/perf"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}},{"package":{"name":"python3-perf","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/python3-perf"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.156.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"}}],"schema_version":"1.9.0"}