CVE-2026-68388 | Linux Kernel up to 7.2-rc3 smb/client smb3_simple_fallocate_range out-of-bounds

A vulnerability identified as very critical has been detected in Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5/7.2-rc3. Affected by this issue is the function smb3_simple_fallocate_range of the component smb/client. Performing a manipulation results in out-of-bounds read.

This vulnerability is known as CVE-2026-68388. Remote exploitation of the attack is possible. No exploit is available.

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