{"id":"RLSA-2026:42919","summary":"Important: kernel security, bug fix, and enhancement update","details":"The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: crypto: af_alg - zero initialize memory allocated via sock_kmalloc (CVE-2025-71113)\n\n* kernel: Linux kernel: Denial of Service due to memory leak in tpm2_load_cmd (CVE-2025-71147)\n\n* kernel: flex_proportions: make fprop_new_period() hardirq safe (CVE-2026-23168)\n\n* kernel: cxl/port: Fix use after free of parent_port in cxl_detach_ep() (CVE-2026-31530)\n\n* kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116)\n\n* kernel: fanotify: fix false positive on permission events (CVE-2026-46150)\n\n* kernel: drm: Set old handle to NULL before prime swap in change_handle (CVE-2026-46215)\n\n* kernel: drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() (CVE-2026-52976)\n\n* kernel: drm/xe/dma-buf: fix UAF with retry loop (CVE-2026-52950)\n\n* kernel: ice: fix double-free of tx_buf skb (CVE-2026-53009)\n\n* kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)\n\n* kernel: can: bcm: thrtimer use-after-free during RX operation teardown ()\n\nBug Fix(es) and Enhancement(s):\n\n* nfsd_file slab cache objects remaining on kmem_cache_shutdown during nfsd teardown while running bz1477872 testcase (JIRA:Rocky Linux-173103)\n\n* tools/lib/perf/Makefile: libperf includes appended after CFLAGS causes parallel build race, breaking kernel builds [rhel-10.2.z] (JIRA:Rocky Linux-183975)\n\n* [Rocky Linux10-debug]: BUG: KASAN: slab-use-after-free in __pv_queued_spin_lock_slowpath [rhel-10.2.z] (JIRA:Rocky Linux-186311)\n\n* ice: driver update 2026-06, part 1 [rhel-10.2.z] (JIRA:Rocky Linux-191324)\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":"2026-07-23T06:30:06.257932662Z","published":"2026-07-23T06:07:38.939859Z","upstream":["CVE-2025-71113","CVE-2025-71147","CVE-2026-23168","CVE-2026-31530","CVE-2026-46116","CVE-2026-46150","CVE-2026-46215","CVE-2026-52950","CVE-2026-52976","CVE-2026-53009","CVE-2026-53071"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:42919"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2460644"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2439941"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492284"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2429611"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492390"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482523"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492458"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2432366"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492318"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482612"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482615"}],"affected":[{"package":{"name":"kernel","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/kernel?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.12.0-211.37.1.el10_2"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:42919.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}