{"id":"RLSA-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\n* kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt() (CVE-2023-35788)\n\n* kernel: KVM: x86/mmu: race condition in direct_page_fault() (CVE-2022-45869)\n\n* kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c (CVE-2023-0458)\n\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.\n\nBug Fix(es):\n\n* Rocky Linux9 rt: blktests block/024 failed (BZ#2209920)\n\n* Backport pinned timers RT specific behavior for FIFO tasks (BZ#2210071)\n\n* kernel-rt: update RT source tree to the Rocky Linux-9.2z2 source tree (BZ#2215122)\n\n* kernel-rt: update RT source tree to the Rocky Linux-9.2z2b source tree (BZ#2222796)","modified":"2026-03-11T06:24:42.712440Z","published":"2023-08-08T12:34:53.910286Z","upstream":["CVE-2022-45869","CVE-2023-0458","CVE-2023-1998","CVE-2023-3090","CVE-2023-35788"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2023:4378"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2151317"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2187257"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2193219"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2215768"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2218672"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:5.14.0-284.25.1.rt14.310.el9_2"}],"database_specific":{"yum_repository":"RT"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2023:4378.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}