SB20260924127 - Use-after-free in Linux kernel iwlwifi mld driver

Description

This security bulletin contains information about 1 vulnerability.

1) Use-after-free (CVE-ID: CVE-2026-97474)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a use-after-free in the iwlwifi MLD asynchronous notification handler when processing queued firmware statistics notifications after a firmware error during reconfiguration recovery. A local user can trigger the affected recovery sequence to cause a denial of service.

Exploitation requires active BSS and NAN connections and a recovery failure while restoring the NAN connection.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/1b3b7b521041d55459f8457db8921e9778482063
• https://git.kernel.org/stable/c/a40ad60a47f7c904b75a9ff83b39edebf3961c85