{"id":"RLSA-2026:47017","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.","modified":"2026-07-29T18:25:49.073806703Z","published":"2026-07-29T18:06:20.508719Z","upstream":["CVE-2026-46086","CVE-2026-52993","CVE-2026-53006","CVE-2026-53281"],"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"}],"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":"0:6.12.0-211.40.1.el10_2"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:47017.json"}}],"schema_version":"1.7.5","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"}]}