ALSA-2026:93436

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ALSA-2026:93436

Summary: Important: kernel security update

Details: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() (CVE-2026-63924) * kernel: ipv6: exthdrs: refresh nh after handling HAO option (CVE-2026-63922) * kernel: af_unix: Fix UAF read of tail->len in unix_stream_data_wait() (CVE-2026-64109) * kernel: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE (CVE-2026-72083) * kernel: tipc: require net admin for TIPCv2 netlink mutators (CVE-2026-74283) * kernel: smb: client: bound dirent name against end of SMB response in cifs_filldir (CVE-2026-93787) * kernel: ZDI-CAN-33367: Linux Kernel skbuff skb_zerocopy Improper Ownership Management Local Privilege Escalation Vulnerability () 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://access.redhat.com/errata/RHSA-2026:93436, https://access.redhat.com/security/cve/CVE-2026-63922, https://access.redhat.com/security/cve/CVE-2026-63924, https://access.redhat.com/security/cve/CVE-2026-64109, https://access.redhat.com/security/cve/CVE-2026-72083, https://access.redhat.com/security/cve/CVE-2026-74283, https://access.redhat.com/security/cve/CVE-2026-93787, https://bugzilla.redhat.com/2502326, https://bugzilla.redhat.com/2502327, https://bugzilla.redhat.com/2502615, https://bugzilla.redhat.com/2516579, https://bugzilla.redhat.com/2516935, https://bugzilla.redhat.com/2540555, https://bugzilla.redhat.com/2559835, https://errata.almalinux.org/8/ALSA-2026-93436.html, https://www.redhat.com/security/data/cve/CVE-2026-99284.html