{"id":"ALSA-2023:4378","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: ipvlan: out-of-bounds write caused by unclear skb-\u003ecb (CVE-2023-3090)\n* kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)\n* kernel: KVM: x86/mmu: race condition in direct_page_fault() (CVE-2022-45869)\n* kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c (CVE-2023-0458)\n* kernel: Spectre v2 SMT mitigations problem (CVE-2023-1998)\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.","modified":"2026-01-30T02:40:47.675288Z","published":"2023-08-01T00:00:00Z","related":["CVE-2022-45869","CVE-2023-0458","CVE-2023-1998","CVE-2023-3090","CVE-2023-35788"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:4378"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-45869"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-0458"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-1998"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-3090"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-35788"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2151317"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2187257"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2193219"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2215768"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2218672"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2023-4378.html"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.json"}},{"package":{"name":"kernel-rt-core","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.json"}},{"package":{"name":"kernel-rt-debug","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.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":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.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":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.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":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.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":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.json"}},{"package":{"name":"kernel-rt-debug-modules-core","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-debug-modules-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.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":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.json"}},{"package":{"name":"kernel-rt-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.json"}},{"package":{"name":"kernel-rt-kvm","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/kernel-rt-kvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.0-284.25.1.rt14.310.el9_2"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2023:4378.json"}},{"package":{"name":"kernel-rt-modules","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almali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