{"id":"RLSA-2023:7548","summary":"Important: kernel-rt security 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: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)\n\n* kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)\n\n* kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)\n\n* kernel: use-after-free due to race condition occurring in dvb_register_device() (CVE-2022-45884)\n\n* kernel: use-after-free due to race condition occurring in dvb_net.c (CVE-2022-45886)\n\n* kernel: use-after-free due to race condition occurring in dvb_ca_en50221.c (CVE-2022-45919)\n\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.","modified":"2026-03-11T06:27:47.989584Z","published":"2023-12-06T23:16:07.668357Z","upstream":["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://errata.rockylinux.org/RLSA-2023:7548"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2148510"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2148517"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2151956"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2154178"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2224048"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2240249"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2241924"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-513.9.1.rt7.311.el8_9"}],"database_specific":{"yum_repository":"NFV"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2023:7548.json"}}],"schema_version":"1.7.5","credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}