CVE-2026-80577

A flaw was found in the Linux kernel's drm/panthor driver. When the panthorfwloadsectionentry function processes zero-sized firmware sections, it can leave a memory pointer uninitialized. Subsequent operations that attempt to access this uninitialized memory can lead to a null pointer dereference...

CVE-2026-80577

This vulnerability affects the Linux kernel DRM Panthor driver (Arm Mali GPU subsystem). The root cause is in panthor_fw_load_section_entry(): when a firmware section has an empty VA range , BO (Buffer Object) creation is skipped, leaving section->mem as NULL . Subsequent reload and unplug pat...

CVE-2026-80577 drm/panthor: skip zero-sized firmware sections

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: skip zero-sized firmware sections panthorfwloadsectionentry skips BO creation when the firmware section VA range is empty. If such a section is added to the firmware section list, section-mem is left as NULL. Later...

PT-2026-82193

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A NULL pointer dereference exists in the drm/panthor component. The function panthor fw load section entry fails to handle zero-sized firmware sections correctly by skipping the creation...