{"id":"RLSA-2026:49212","summary":"Important: kernel security update","details":"The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923)\n\n* kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993)\n\n* kernel: net: sched: UAF via missing handler for TC_ACT_CONSUMED in tcf_qevent_handle ()\n\n* kernel: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle (CVE-2026-64530)\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":"2026-08-02T00:30:05.636855825Z","published":"2026-08-02T00:04:07.536838Z","upstream":["CVE-2026-52923","CVE-2026-52993","CVE-2026-64530"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:49212"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492094"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492437"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2504052"}],"affected":[{"package":{"name":"kernel","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:5.14.0-687.33.1.el9_8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:49212.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"}]}