CVE-2026-64380 | Linux Kernel up to 7.2-rc1 SMB Client posix_info_sid_size buffer overflow

A vulnerability labeled as very critical has been found in Linux Kernel up to 7.2-rc1. This affects the function posix_info_sid_size of the component SMB Client. Executing a manipulation can lead to buffer overflow.

This vulnerability is handled as CVE-2026-64380. The attack can be executed remotely. There is not any exploit available.

The affected component should be upgraded.