{"id":"ALSA-2026:64770","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: crypto: pcrypt - Fix handling of MAY_BACKLOG requests (CVE-2026-43493)\n  * kernel: netfilter: conntrack: remove sprintf usage (CVE-2026-53002)\n  * kernel: netfilter: synproxy: refresh tcphdr after skb_ensure_writable (CVE-2026-64007)\n  * kernel: rhashtable: clear stale iter-\u003ep on table restart (CVE-2026-64563)\n  * kernel: smb: client: validate DFS referral PathConsumed (CVE-2026-68343)\n  * kernel: nvmet-rdma: handle inline data with a nonzero offset (CVE-2026-72129)\n  * kernel: net: bridge: stop fast-leave after deleting a port group (CVE-2026-74480)\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":"2026-09-08T10:45:13.747946569Z","published":"2026-09-08T00:00:00Z","related":["CVE-2026-43493","CVE-2026-53002","CVE-2026-64007","CVE-2026-64563","CVE-2026-68343","CVE-2026-72129","CVE-2026-74480"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:64770"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-43493"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-53002"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64007"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-64563"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-68343"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-72129"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-74480"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2479812"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492329"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2502361"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2510892"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2513373"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2516731"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2517046"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2026-64770.html"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.json"}},{"package":{"name":"kernel-rt-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.json"}},{"package":{"name":"kernel-rt-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.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":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.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":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.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":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.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":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.json"}},{"package":{"name":"kernel-rt-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.json"}},{"package":{"name":"kernel-rt-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.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":"4.18.0-553.160.1.rt7.501.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64770.json"}}],"schema_version":"1.9.0"}