{"schema_version": "1.7.0", "id": "RLSA-2026:64775", "modified": "2026-09-09T12:13:00.051227Z", "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"], "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->lock (CVE-2026-53259)\n\n* kernel: ipv4: free net->ipv4.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->p 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.", "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:10", "name": "kernel", "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:6.12.0-211.52.1.el10_2"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "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"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:64775"}}