{"id":"RLSA-2026:54343","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: accel/ivpu: Fix signed integer truncation in IPC receive (CVE-2026-53202)\n\n* kernel: net/sched: act_api: use RCU with deferred freeing for action lifecycle (CVE-2026-53264)\n\n* kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CVE-2026-63887)\n\n* kernel: perf/aux: Fix page UAF in map_range() (CVE-2026-64300)\n\nBug Fix(es) and Enhancement(s):\n\n* netfilter: CVE backports for Rocky Linux 10.2.z (JIRA:Rocky Linux-185311)\n\n* tlbflush - Windows Driver Verifier catches FLTMGR/Ntfs crashes during KVM 42-VM soak test on AMD EPYC Turin [rhel-10.2.z] (JIRA:Rocky Linux-214436)\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":"2026-08-13T12:30:03.295731662Z","published":"2026-08-13T12:07:38.295651Z","upstream":["CVE-2026-53202","CVE-2026-53264","CVE-2026-63887","CVE-2026-64300"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:54343"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:54343"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502447"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492851"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492823"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507040"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:54343"}],"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":"0:6.12.0-211.47.1.el10_2"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:54343.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}