CVE-2026-80639

A flaw was found in the Linux kernel's cxl/test module. A buffer overflow vulnerability, a type of memory corruption, exists within the setup_xor_mapping() function. This flaw could allow a local user to trigger a runtime assertion failure, potentially leading to system instability or a denial of service (DoS).

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.