RLSA-2026:90365

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RLSA-2026:90365

Summary: Important: kernel security, bug fix, and enhancement update

Details: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: udp: Deal with race between UDP socket address change and rehash (CVE-2024-57974) * kernel: fuse: re-lock request before replacing page cache folio (CVE-2026-53388) * kernel: net/handshake: hand off the pinned file reference to accept_doit (CVE-2026-63979) * kernel: net/handshake: Drain pending requests at net namespace exit (CVE-2026-63978) * kernel: fuse: re-lock request before returning from fuse_ref_folio() (CVE-2026-64266) * kernel: net/handshake: Take a long-lived file reference at submit (CVE-2026-64523) * kernel: ipvs: reload ip header after head reallocation (CVE-2026-68476) * kernel: selinux: avoid sk_socket dereference in selinux_sctp_bind_connect() (CVE-2026-72242) * kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled (CVE-2026-74515) * kernel: usb: usbfs: fix use-after-free of usb_device in usbdev_release() (CVE-2026-80824) * kernel: smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions (CVE-2026-89638) * kernel: vfio/pci: clear vdev->msi_perm after freeing it on init failure (CVE-2026-89777) * kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262) * kernel: KEYS: encrypted: fix integer overflow of datablob_len (CVE-2026-98222) * kernel: netfilter: flowtable: hold reference on ct until flow is released (CVE-2026-98320) Bug Fix(es) and Enhancement(s): * kernel panic at __crypto_xor+0x2 after a number of out-of-bounds read and use-after-free read (JIRA:Rocky Linux-257205) For 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.

References: https://errata.rockylinux.org/RLSA-2026:90365, https://bugzilla.redhat.com/show_bug.cgi?id=2348512, https://bugzilla.redhat.com/show_bug.cgi?id=2502255, https://bugzilla.redhat.com/show_bug.cgi?id=2502376, https://bugzilla.redhat.com/show_bug.cgi?id=2502382, https://bugzilla.redhat.com/show_bug.cgi?id=2507098, https://bugzilla.redhat.com/show_bug.cgi?id=2507122, https://bugzilla.redhat.com/show_bug.cgi?id=2516251, https://bugzilla.redhat.com/show_bug.cgi?id=2516417, https://bugzilla.redhat.com/show_bug.cgi?id=2517006, https://bugzilla.redhat.com/show_bug.cgi?id=2528642, https://bugzilla.redhat.com/show_bug.cgi?id=2532122, https://bugzilla.redhat.com/show_bug.cgi?id=2535066, https://bugzilla.redhat.com/show_bug.cgi?id=2540323, https://bugzilla.redhat.com/show_bug.cgi?id=2546385, https://bugzilla.redhat.com/show_bug.cgi?id=2546494, https://access.redhat.com/errata/RHSA-2026:90365