{"type":"TYPE_SECURITY","shortCode":"RL","name":"RLSA-2023:1584","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: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)\n\n* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)\n\n* kernel: FUSE filesystem low-privileged user privileges escalation (CVE-2023-0386)\n\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* Lazy irq_work does not raise softirq on PREEMPT_RT [rhel-8] (BZ#2172163)\n\n* The latest Rocky Linux 8.7.z3 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2172278)","solution":null,"affectedProducts":["Rocky Linux 8"],"fixes":[{"ticket":"2150272","sourceBy":"Red Hat","sourceLink":"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2150272","description":""},{"ticket":"2152548","sourceBy":"Red Hat","sourceLink":"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2152548","description":""},{"ticket":"2159505","sourceBy":"Red Hat","sourceLink":"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2159505","description":""},{"ticket":"2163379","sourceBy":"Red Hat","sourceLink":"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=2163379","description":""}],"cves":[{"name":"CVE-2022-4269","sourceBy":"MITRE","sourceLink":"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2022-4269","cvss3ScoringVector":"UNKNOWN","cvss3BaseScore":"UNKNOWN","cwe":"UNKNOWN"},{"name":"CVE-2022-4378","sourceBy":"MITRE","sourceLink":"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2022-4378","cvss3ScoringVector":"UNKNOWN","cvss3BaseScore":"UNKNOWN","cwe":"UNKNOWN"},{"name":"CVE-2023-0266","sourceBy":"MITRE","sourceLink":"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2023-0266","cvss3ScoringVector":"UNKNOWN","cvss3BaseScore":"UNKNOWN","cwe":"UNKNOWN"},{"name":"CVE-2023-0386","sourceBy":"MITRE","sourceLink":"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2023-0386","cvss3ScoringVector":"UNKNOWN","cvss3BaseScore":"UNKNOWN","cwe":"UNKNOWN"}],"references":[],"publishedAt":"2023-04-26T15:28:18.591743Z","rpms":{"Rocky Linux 8":{"nvras":["kernel-rt-0:4.18.0-425.19.2.rt7.230.el8_7.src.rpm","kernel-rt-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-core-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-debug-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-debug-core-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-debug-debuginfo-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-debug-devel-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-debuginfo-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-debuginfo-common-x86_64-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-debug-kvm-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-debug-modules-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-debug-modules-extra-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-devel-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-kvm-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-modules-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm","kernel-rt-modules-extra-0:4.18.0-425.19.2.rt7.230.el8_7.x86_64.rpm"]}},"rebootSuggested":false,"buildReferences":[]}