{"id":"RLSA-2023:4541","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 in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)\n\n* kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation (CVE-2023-1281)\n\n* kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829)\n\n* kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events (CVE-2023-2235)\n\n* kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124)\n\n* kernel: i2c: out-of-bounds write in xgene_slimpro_i2c_xfer() (CVE-2023-2194)\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* Addding the building of i915 driver to 8.8 (BZ#2208276)\n\n* kernel-rt: update RT source tree to the Rocky Linux-8.8.z2 source tree (BZ#2215026)","modified":"2026-03-11T06:24:56.990725Z","published":"2023-10-14T02:07:34.384336Z","upstream":["CVE-2022-42896","CVE-2023-1281","CVE-2023-1829","CVE-2023-2124","CVE-2023-2194","CVE-2023-2235"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2023:4541"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2147364"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2181847"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2187439"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2188396"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2188470"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2192589"}],"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":"0:4.18.0-477.21.1.rt7.284.el8_8"}],"database_specific":{"yum_repository":"NFV"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2023:4541.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}