{"id":"RLSA-2026:64775","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: can: bcm: add locking for bcm_op runtime updates (CVE-2025-38004)\n\n* kernel: ipv6: add NULL checks for idev in SRv6 paths (CVE-2026-23442)\n\n* kernel: udp: Fix wildcard bind conflict check when using hash2 (CVE-2026-31503)\n\n* kernel: ipv6: prevent possible UaF in addrconf_permanent_addr() (CVE-2026-43339)\n\n* kernel: tcp: call sk_data_ready() after listener migration (CVE-2026-46015)\n\n* kernel: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (CVE-2026-46266)\n\n* kernel: flow_dissector: do not dissect PPPoE PFC frames (CVE-2026-46306)\n\n* kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933)\n\n* kernel: ppp: require CAP_NET_ADMIN in target netns for unattached ioctls (CVE-2026-53075)\n\n* kernel: KVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation (CVE-2026-53277)\n\n* kernel: ipv6: sit: reload inner IPv6 header after GSO offloads (CVE-2026-53228)\n\n* kernel: net: add pskb_may_pull() to skb_gro_receive_list() (CVE-2026-53235)\n\n* kernel: net: guard timestamp cmsgs to real error queue skbs (CVE-2026-53223)\n\n* kernel: ipv6: mcast: Fix use-after-free when processing MLD queries (CVE-2026-53275)\n\n* kernel: ipv6: anycast: insert aca into global hash under idev-\u003elock (CVE-2026-53259)\n\n* kernel: ipv4: free net-\u003eipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() (CVE-2026-64002)\n\n* kernel: vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu() (CVE-2026-63993)\n\n* kernel: fuse: clear intr_entry in fuse_resend and fuse_remove_pending_req (CVE-2026-64265)\n\n* kernel: nvmet-auth: validate reply message payload bounds against transfer length (CVE-2026-64319)\n\n* kernel: KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU (CVE-2026-64287)\n\n* kernel: rhashtable: clear stale iter-\u003ep on table restart (CVE-2026-64563)\n\n* kernel: smb: client: fix double-free in SMB2_close() replay (CVE-2026-64597)\n\nBug Fix(es) and Enhancement(s):\n\n* Customer needs \"netfilter: nfnetlink_queue: optimize verdict lookup with hash table\" patch [Rocky Linux 10.2] (JIRA:Rocky Linux-132852)\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":"2026-09-09T12:30:05.589141315Z","published":"2026-09-09T12:09:16.585859Z","upstream":["CVE-2025-38004","CVE-2026-23442","CVE-2026-31503","CVE-2026-43339","CVE-2026-46015","CVE-2026-46266","CVE-2026-46306","CVE-2026-52933","CVE-2026-53075","CVE-2026-53223","CVE-2026-53228","CVE-2026-53235","CVE-2026-53259","CVE-2026-53275","CVE-2026-53277","CVE-2026-63993","CVE-2026-64002","CVE-2026-64265","CVE-2026-64287","CVE-2026-64319","CVE-2026-64563","CVE-2026-64597"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:64775"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:64775"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2484456"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2370992"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2510892"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507041"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2460736"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2511932"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507096"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492745"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2486463"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2454807"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492295"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502363"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502369"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492841"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2481936"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492725"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492733"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492097"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2468102"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492850"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492811"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507129"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:64775"}],"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":"0:6.12.0-211.52.1.el10_2"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:64775.json"}}],"schema_version":"1.9.0","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"}]}