CVE-2026-99083 | Linux Kernel up to 6.6.159/6.12.113/6.18.57/7.2.11 ksmbd krb5_authenticate out-of-bounds write

October 23, 2026 Yanac

A vulnerability marked as very critical has been reported in Linux Kernel up to 6.6.159/6.12.113/6.18.57/7.2.11. This affects the function krb5_authenticate of the component ksmbd. The manipulation leads to out-of-bounds write.

This vulnerability is uniquely identified as CVE-2026-99083. The attack is possible to be carried out remotely. No exploit exists.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More