CVE-2026-64401 | Linux Kernel up to 7.1.3 SMB Client cifs_swn_notify use after free

July 25, 2026 Yanac

A vulnerability has been found in Linux Kernel up to 6.1.177/6.6.144/6.12.96/6.18.38/7.1.3 and classified as very critical. This issue affects the function cifs_swn_notify of the component SMB Client. Performing a manipulation results in use after free.

This vulnerability is identified as CVE-2026-64401. The attack can be initiated remotely. There is not any exploit available.

The affected component should be upgraded.VulDB Recent EntriesRead More