{"schema_version": "1.7.0", "id": "RLSA-2026:47017", "modified": "2026-07-29T18:08:26.377144Z", "published": "2026-07-29T18:06:20.508719Z", "upstream": ["CVE-2026-46086", "CVE-2026-52993", "CVE-2026-53006", "CVE-2026-53281"], "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: net: bridge: use a stable FDB dst snapshot in RCU readers (CVE-2026-46086)\n\n* kernel: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006)\n\n* kernel: tipc: fix double-free in tipc_buf_append() (CVE-2026-52993)\n\n* kernel: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption (CVE-2026-53281)\n\nBug Fix(es) and Enhancement(s):\n\n* rxrpc: Address CVE-2026-43500 [rhel-10.2.z] (JIRA:Rocky Linux-178254)\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:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "kernel", "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:6.12.0-211.40.1.el10_2"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:47017"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481989"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493728"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492363"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492437"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}