{"id":"RLSA-2023:0979","summary":"Important: kernel-rt security and bug fix 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: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)\n\n* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)\n\n* kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379)\n\n* kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan (CVE-2023-0179)\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* kernel-rt: update RT source tree to the latest Rocky Linux-9.1.z2 Batch (BZ#2160463)","modified":"2026-03-11T06:19:51.930310Z","published":"2023-03-02T01:17:39.649581Z","upstream":["CVE-2022-2873","CVE-2022-3564","CVE-2022-4378","CVE-2022-4379","CVE-2023-0179"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2023:0979"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2119048"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2150999"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2152548"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2152807"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2161713"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:5.14.0-162.18.1.rt21.181.el9_1"}],"database_specific":{"yum_repository":"RT"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2023:0979.json"}}],"schema_version":"1.7.5","credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}