{"id":"ALSA-2026:0760","summary":"Important: kernel-rt security update","details":"The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.  \n\nSecurity Fix(es):  \n\n  * kernel: smb: client: Fix use-after-free in cifs_fill_dirent (CVE-2025-38051)\n  * kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length (CVE-2025-39933)\n  * kernel: drm/i915: mark requests for GuC virtual engines to avoid use-after-free (CVE-2023-53552)\n  * kernel: drm/sched: Fix potential double free in drm_sched_job_add_resv_dependencies (CVE-2025-40096)\n  * kernel: net: atlantic: fix fragment overflow handling in RX path (CVE-2025-68301)\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":"2026-02-04T03:30:19.921721Z","published":"2026-01-19T00:00:00Z","related":["CVE-2023-53552","CVE-2025-38051","CVE-2025-39933","CVE-2025-40096","CVE-2025-68301"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:0760"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-53552"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-38051"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-39933"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-40096"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-68301"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2373329"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2401432"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2401514"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2407333"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2422836"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-0760.html"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}},{"package":{"name":"kernel-rt-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}},{"package":{"name":"kernel-rt-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}},{"package":{"name":"kernel-rt-debug-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}},{"package":{"name":"kernel-rt-debug-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}},{"package":{"name":"kernel-rt-debug-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}},{"package":{"name":"kernel-rt-debug-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}},{"package":{"name":"kernel-rt-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}},{"package":{"name":"kernel-rt-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}},{"package":{"name":"kernel-rt-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.94.1.rt7.435.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:0760.json"}}],"schema_version":"1.7.3"}