{"type":"TYPE_SECURITY","shortCode":"RL","name":"RLSA-2023:0854","synopsis":"Important: kernel-rt security and bug fix update","severity":"SEVERITY_IMPORTANT","topic":"An update is available for kernel-rt.\nThis update affects Rocky Linux 8.\nA Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list","description":"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: mm\/mremap.c use-after-free vulnerability (CVE-2022-41222)\n\n* kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)\n\n* kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873)\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 Linux8-RT: Backport use of a dedicate thread for timer wakeups (BZ#2127204)\n\n* SNO Crashed twice - kernel BUG at lib\/list_debug.c:28 (BZ#2132062)\n\n* Cannot trigger kernel dump using NMI on SNO node running PAO and RT kernel [RT-8] (BZ#2139851)\n\n* scheduling while atomic in fpu_clone() -> fpu_inherit_perms() (BZ#2154469)\n\n* The latest Rocky Linux 8.7.z2 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2159806)","solution":null,"affectedProducts":["Rocky Linux 8"],"fixes":[{"ticket":"2119048","sourceBy":"Red Hat","sourceLink":"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2119048","description":""},{"ticket":"2138818","sourceBy":"Red Hat","sourceLink":"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2138818","description":""},{"ticket":"2141752","sourceBy":"Red Hat","sourceLink":"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2141752","description":""}],"cves":[{"name":"CVE-2022-2873","sourceBy":"MITRE","sourceLink":"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2022-2873","cvss3ScoringVector":"CVSS:3.1\/AV:L\/AC:L\/PR:N\/UI:N\/S:U\/C:N\/I:N\/A:H","cvss3BaseScore":"6.2","cwe":"CWE-131"},{"name":"CVE-2022-41222","sourceBy":"MITRE","sourceLink":"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2022-41222","cvss3ScoringVector":"CVSS:3.1\/AV:L\/AC:H\/PR:L\/UI:N\/S:U\/C:H\/I:H\/A:H","cvss3BaseScore":"7.0","cwe":"CWE-416"},{"name":"CVE-2022-43945","sourceBy":"MITRE","sourceLink":"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2022-43945","cvss3ScoringVector":"CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:N\/I:N\/A:H","cvss3BaseScore":"7.5","cwe":"CWE-770"}],"references":[],"publishedAt":"2023-02-22T01:08:59.051614Z","rpms":{"Rocky Linux 8":{"nvras":["kernel-rt-debug-modules-extra-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-devel-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-0:4.18.0-425.13.1.rt7.223.el8_7.src.rpm","kernel-rt-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-core-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-debug-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-debug-core-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-debug-debuginfo-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-debug-devel-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-debuginfo-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-debuginfo-common-x86_64-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-debug-kvm-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-debug-modules-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-kvm-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-modules-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm","kernel-rt-modules-extra-0:4.18.0-425.13.1.rt7.223.el8_7.x86_64.rpm"]}},"rebootSuggested":false,"buildReferences":[]}