RLSA-2026:63128

RLSA-2026:63128 · Important: kernel security update

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Bluetooth: hci_ldisc: Clear HCI_UART_PROTO_INIT on error (CVE-2026-53073) * kernel: exfat: fix potential use-after-free in exfat_find_dir_entry() (CVE-2026-63808) * kernel: KEYS: fix overflow in keyctl_pkey_params_get_2() (CVE-2026-63824) * kernel: smb: client: fix query directory replay double-free (CVE-2026-64387) * kernel: iomap: fix out-of-bounds bitmap_set() with zero-length range (CVE-2026-68145) * kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res->rt6 pointer (CVE-2026-74581) 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.

CVSS 7.8 · High · Fix available

Published

2026-09-05T18:09:10.442815Z

Updated

2026-09-05T18:24:40.199677297Z

Stack: system

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