{"id":"ALSA-2023:1469","summary":"Important: kernel-rt security and bug fix 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: tun: avoid double free in tun_free_netdev (CVE-2022-4744)\n* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)\n* kernel: net: CPU soft lockup in TC mirred egress-to-ingress action (CVE-2022-4269)\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\nBug Fix(es):\n\n* kernel-rt: update RT source tree to the latest AlmaLinux-9.1.z3 Batch (BZ#2170460)","modified":"2026-02-04T04:08:09.652106Z","published":"2023-03-27T00:00:00Z","related":["CVE-2022-4269","CVE-2022-4744","CVE-2023-0266"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:1469"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-4269"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-4744"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-0266"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2150272"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2156322"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2163379"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2023-1469.html"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-core","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-debug","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-debug-core","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-debug-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-debug-kvm","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-debug-kvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-debug-modules","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-debug-modules-extra","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-kvm","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-kvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-modules","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}},{"package":{"name":"kernel-rt-modules-extra","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-162.22.2.rt21.186.el9_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:1469.json"}}],"schema_version":"1.7.3"}