{"id":"ALSA-2022:7134","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: a use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)\n* kernel: information leak in  scsi_ioctl() (CVE-2022-0494)\n* Kernel: A kernel-info-leak issue in pfkey_register (CVE-2022-1353)\n* hw: cpu: AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816, CVE-2022-29900)\n* hw: cpu: AMD:  Branch Type Confusion (non-retbleed) (CVE-2022-23825)\n* hw: cpu: Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)\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* [almalinux8-rt] BUG: using __this_cpu_add() in preemptible [00000000] - caller is __mod_memcg_lruvec_state+0x69/0x1c0 (BZ#2122600)\n* The latest AlmaLinux 8.6.z4 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2125396)","modified":"2026-01-30T02:33:43.011973Z","published":"2022-10-25T00:00:00Z","related":["CVE-2022-0494","CVE-2022-1353","CVE-2022-23816","CVE-2022-23825","CVE-2022-2588","CVE-2022-29900","CVE-2022-29901"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2022:7134"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-0494"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-1353"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-23816"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-23825"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-2588"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-29900"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-29901"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2039448"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2066819"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2090226"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2103148"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2103153"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2114849"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2022-7134.html"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.json"}},{"package":{"name":"kernel-rt-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.json"}},{"package":{"name":"kernel-rt-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.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":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.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":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.json"}},{"package":{"name":"kernel-rt-debug-kvm","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug-kvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.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":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.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":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.json"}},{"package":{"name":"kernel-rt-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.json"}},{"package":{"name":"kernel-rt-kvm","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-kvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-372.32.1.rt7.189.el8_6"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2022:7134.json"}},{"package":{"name":"kernel-rt-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-372.32.1.rt7.189.e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