{"id":"RLSA-2023:4517","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: 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* simultaneous writes to a page on xfs can result in zero-byte data (BZ#2184101)\n\n* Rocky Linux 8.4 - kernel: fix __clear_user() inline assembly constraints (BZ#2192602)\n\n* LPAR is crashed by Phyp when doing DLPAR CPU operations (BZ#2193375)\n\n* ice: ptp4l cpu usage spikes (BZ#2203285)\n\n* Kernel - Significant performance drop for getrandom system call when FIPS is enabled (compared to Rocky Linux 8.x for all x \u003c 6.z) (BZ#2208127)\n\n* macvlan: backports from upstream (BZ#2209686)\n\n* Intel 8.9 BUG VROC: Pull VMD secondary bus reset patch (BZ#2211198)\n\n* Incorrect target abort handling causes iscsi deadlock (BZ#2211494)\n\n* swap deadlock when attempt to charge a page to a cgroup stalls waiting on I/O plugged on another task in swap code (BZ#2211513)\n\n* BUG_ON \"kernel BUG at mm/rmap.c:1041!\" in __page_set_anon_rmap() when vma-\u003eanon_vma==NULL (BZ#2211658)\n\n* Rocky Linux 8.9: IPMI updates and bug fixes (BZ#2211667)\n\n* Rocky Linux 8.6 opening console with mkvterm on novalink terminal fails due to drmgr reporting failure (L3:) (BZ#2212373)\n\n* Rocky Linux 8.8 - P10 DD2.0: Wrong numa_node is assigned to vpmem device (BZ#2212451)\n\n* Rocky Linux 8.8 beta: Occasional stall during initialization of ipmi_msghandler (BZ#2213189)\n\n* ESXi Rocky Linux 8: Haswell generation CPU are impacted with performance due to IBRS (BZ#2213366)\n\n* xen: fix section mismatch error with xen_callback_vector() and alloc_intr_gate() (BZ#2214281)\n\n* jitter: Fix RCT/APT health test during initialization (BZ#2215079)\n\n* aacraid misses interrupts when a CPU is disabled resulting in scsi timeouts and the adapter being unusable until reboot. (BZ#2216498)\n\n* Hyper-V Rocky Linux 8: Fix VM crash/hang Issues due to fast VF add/remove events (BZ#2216543)\n\n* rbd: avoid fast-diff corruption in snapshot-based mirroring [8.9] (BZ#2216769)\n\n* Regression of 3b8cc6298724 (\"blk-cgroup: Optimize blkcg_rstat_flush()\") (BZ#2220810)","modified":"2026-02-04T22:30:06.088774Z","published":"2023-10-06T23:10:01.903350Z","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-2023:4517"},{"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","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/kernel?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-477.21.1.el8_8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2023:4517.json"}}],"schema_version":"1.7.3","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"}]}