CVE-2026-80639

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A runtime assertion issue exists in the setup xor mapping() function. The system triggers a fortify panic due to a false positive report of a potential buffer overflow in the xormaps array, which is tracked by the nr maps variable. This results in a detected buffer overflow where a 32-byte write is attempted on a buffer of size 0.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.