CVE-2026-31712 | Linux Kernel up to 6.12.83/6.18.24/7.0.1 ksmbd smb_check_perm_dacl sub_auth[] out-of-bounds

A vulnerability labeled as critical has been found in Linux Kernel up to 6.12.83/6.18.24/7.0.1. This vulnerability affects the function smb_check_perm_dacl of the component ksmbd. The manipulation of the argument sub_auth[] results in out-of-bounds read.

This vulnerability is cataloged as CVE-2026-31712. The attack must originate from the local network. There is no exploit available.

The affected component should be upgraded.VulDB Recent EntriesRead More