{"id":"ALSA-2023:7549","summary":"Important: kernel security and bug fix update","details":"The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)\n* kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)\n* kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)\n* kernel: use-after-free due to race condition occurring in dvb_register_device() (CVE-2022-45884)\n* kernel: use-after-free due to race condition occurring in dvb_net.c (CVE-2022-45886)\n* kernel: use-after-free due to race condition occurring in dvb_ca_en50221.c (CVE-2022-45919)\n* kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)\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* Fix max integer mmu_invalidate_seq hanging vCPU (ALBZ#445)\n* Random delay receiving packets after bringing up VLAN on top of VF with vf-vlan-pruning enabled (BZ#2240750)\n* bpf_jit_limit hit again (BZ#2243011)\n* HPE Edgeline 920t resets during kdump context when ice driver is loaded and when system is booted with intel_iommu=on iommu=pt (BZ#2244625)","modified":"2026-02-04T03:32:47.801312Z","published":"2023-11-28T00:00:00Z","related":["CVE-2022-45884","CVE-2022-45886","CVE-2022-45919","CVE-2023-1192","CVE-2023-2163","CVE-2023-3812","CVE-2023-5178"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:7549"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-45884"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-45886"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-45919"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-1192"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-2163"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-3812"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-5178"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2148510"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2148517"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2151956"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2154178"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2224048"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2240249"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2241924"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2023-7549.html"}],"affected":[{"package":{"name":"bpftool","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bpftool"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel-abi-stablelists","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-abi-stablelists"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel-cross-headers","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-cross-headers"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel-debug-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel-debug-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:7549.json"}},{"package":{"name":"kernel-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-513.9.1.el8_9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob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