{"schema_version": "1.7.0", "id": "RLSA-2026:91565", "modified": "2026-10-29T12:12:34.738270Z", "published": "2026-10-29T12:08:23.381701Z", "upstream": ["CVE-2026-53236", "CVE-2026-53388", "CVE-2026-63978", "CVE-2026-63979", "CVE-2026-64027", "CVE-2026-64109", "CVE-2026-64523", "CVE-2026-68136", "CVE-2026-68338", "CVE-2026-72083", "CVE-2026-74515", "CVE-2026-74631", "CVE-2026-80824", "CVE-2026-89638", "CVE-2026-89777", "CVE-2026-93262"], "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: tcp: restrict SO_ATTACH_FILTER to priv users (CVE-2026-53236)\n\n* kernel: fuse: re-lock request before replacing page cache folio (CVE-2026-53388)\n\n* kernel: net: shaper: rework the VALID marking (again) (CVE-2026-64027)\n\n* kernel: net/handshake: hand off the pinned file reference to accept_doit (CVE-2026-63979)\n\n* kernel: net/handshake: Drain pending requests at net namespace exit (CVE-2026-63978)\n\n* kernel: af_unix: Fix UAF read of tail->len in unix_stream_data_wait() (CVE-2026-64109)\n\n* kernel: net/handshake: Take a long-lived file reference at submit (CVE-2026-64523)\n\n* kernel: net: gro: fix double aggregation of flush-marked skbs (CVE-2026-68136)\n\n* kernel: net/packet: avoid fanout hook re-registration after unregister (CVE-2026-68338)\n\n* kernel: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE (CVE-2026-72083)\n\n* kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled (CVE-2026-74515)\n\n* kernel: net: smc: fix splice entry lifetime imbalance in smc_rx_splice (CVE-2026-74631)\n\n* kernel: usb: usbfs: fix use-after-free of usb_device in usbdev_release() (CVE-2026-80824)\n\n* kernel: smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions (CVE-2026-89638)\n\n* kernel: vfio/pci: clear vdev->msi_perm after freeing it on init failure (CVE-2026-89777)\n\n* kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262)\n\nBug Fix(es) and Enhancement(s):\n\n* x86/microcode: Add platform mask to Intel microcode \"old\" list [Rocky Linux-10] [rhel-10.2.z] (JIRA:Rocky Linux-212778)\n\n* net: NULL pointer deref kernel panic in fib6_walk_continue under heavy VRF churn [rhel-10.2.z] (JIRA:Rocky Linux-245489)\n\n* backport fixes for lockdep issues reported with rt-debug [rhel-10.2.z] (JIRA:Rocky Linux-259937)\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:N/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": "0:6.12.0-211.69.1.el10_2"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:91565"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492709"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502255"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502341"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502376"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502382"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502615"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507122"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513163"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513264"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516579"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517006"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521413"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2528642"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532122"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535066"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2540323"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:91565"}], "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-2026:91565"}}