CVE-2026-80577

Summary

In the Linux kernel, the following vulnerability has been resolved:

drm/panthor: skip zero-sized firmware sections

panthor_fw_load_section_entry() 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 reload and unplug paths iterate over all firmware sections and dereference section->mem, which can lead to a NULL pointer dereference.

Zero-sized firmware sections are valid, so accept them as no-op entries but skip adding them to the section list.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux2718d91816eeed03c09c8abe872e45f59078768c < f0f3c3922db981031733a25c51e1f37cf9b9e251affected
LinuxLinux2718d91816eeed03c09c8abe872e45f59078768c < 25556a46ae6ecf2a9f1c1c5096828eecd4596b91affected
LinuxLinux2718d91816eeed03c09c8abe872e45f59078768c < 5d222b657f02a37f658e4e21925b85b4703855e7affected
LinuxLinux2718d91816eeed03c09c8abe872e45f59078768c < 2b8f13d3c7e26c46c20d9e367904cf01729c88e6affected
LinuxLinux6.10affected
LinuxLinux0 < 6.10unaffected
LinuxLinux6.12.105 <= 6.12.*unaffected
LinuxLinux6.18.46 <= 6.18.*unaffected
LinuxLinux7.1.10 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References