CVE-2026-46280

CVE-2026-46280 affects the Linux kernel in the HMM selftest path for device memory (dmirror) handling. The root cause is in dmirror_fops_release(), which frees the dmirror struct without migrating device-private pages back to system memory, leaving a stale zone_device_data pointer. If a fault occ...

PT-2026-47352

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the HMM kernel selftests. When the dmirror fops release function is called, it frees the dmirror structure without first migrating device private pages...