Important: kernel-rt security and bug fix update. {"type": "TYPE_SECURITY", "shortCode": "RL", "name": "RLSA-2023:5091", "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 9.\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: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)\n\n* kernel: netfilter: nf_tables: fix chain binding transaction logic in the abort path of NFT_MSG_NEWRULE (CVE-2023-3610)\n\n* kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function (CVE-2023-3776)\n\n* kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() (CVE-2023-4004)\n\n* kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free (CVE-2023-4147)\n\n* kernel: nf_tables: use-after-free in nft_chain_lookup_byid() (CVE-2023-31248)\n\n* kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)\n\n* kernel: save/restore speculative MSRs during S3 suspend/resume (CVE-2023-1637)\n\n* hw: amd: Cross-Process Information Leak (CVE-2023-20593)\n\n* kernel: bypass of shadow stack protection due to a logic error (CVE-2023-21102)\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* kernel-rt: update RT source tree to the latest Rocky Linux-9.2.z3 Batch (BZ#2228482)", "solution": null, "affectedProducts": ["Rocky Linux 9"], "fixes": [{"ticket":"2181891", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2181891", "description": ""}, {"ticket": "2213260", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2213260", "description": ""}, {"ticket": "2213455", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2213455", "description": ""}, {"ticket": "2217845", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2217845", "description": ""}, {"ticket": "2220892", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2220892", "description": ""}, {"ticket": "2220893", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2220893", "description": ""}, {"ticket": "2225097", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2225097", "description": ""}, {"ticket": "2225198", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2225198", "description": ""}, {"ticket": "2225239", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2225239", "description": ""}, {"ticket": "2225275", "sourceBy": "Red Hat", "sourceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=2225275", "description": ""}], "cves": [{"name": "CVE-2023-1637", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-1637", "cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}, {"name": "CVE-2023-20593", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-20593", "cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}, {"name": "CVE-2023-21102", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-21102", "cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}, {"name": "CVE-2023-31248", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-31248","cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}, {"name": "CVE-2023-3390", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-3390", "cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}, {"name": "CVE-2023-35001", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-35001", "cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}, {"name": "CVE-2023-3610", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-3610", "cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}, {"name": "CVE-2023-3776", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-3776", "cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}, {"name": "CVE-2023-4004", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-4004", "cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}, {"name": "CVE-2023-4147", "sourceBy": "MITRE", "sourceLink": "https://www.cve.org/CVERecord?id=CVE-2023-4147", "cvss3ScoringVector": "UNKNOWN", "cvss3BaseScore": "UNKNOWN", "cwe": "UNKNOWN"}], "references": [], "publishedAt": "2023-09-19T12:09:59.109271Z", "rpms": {"Rocky Linux 9": {"nvras": ["kernel-rt-0:5.14.0-284.30.1.rt14.315.el9_2.src.rpm", "kernel-rt-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-core-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-debug-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-debug-core-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-debug-debuginfo-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-debug-devel-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-debuginfo-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-debug-kvm-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-debug-modules-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm","kernel-rt-debug-modules-core-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-debug-modules-extra-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-devel-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-kvm-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-modules-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-modules-core-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm", "kernel-rt-modules-extra-0:5.14.0-284.30.1.rt14.315.el9_2.x86_64.rpm"]}}, "rebootSuggested": false, "buildReferences": []}. Kernel-rt safety and patch enhancement resolves urgent problems in Rocky Linux 9. Overview of flaws addressed.. Rocky Linux Security, Kernel Update, Real Time Kernel Fixes. . Severity: Important. LinuxSecurity.com Team
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