{"schema_version": "1.7.0", "id": "RLSA-2026:49212", "modified": "2026-08-02T00:09:17.462503Z", "published": "2026-08-02T00:04:07.536838Z", "upstream": ["CVE-2026-52923", "CVE-2026-52993", "CVE-2026-64530"], "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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "kernel", "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"}}]}], "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"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}