UNKNOWN NVD
CVE-2026-80577
In the Linux kernel, the following vulnerability has been resolved: drm/panthor: skip zero-sized firmware sections panthor_fw_load_section_entry() skips BO cr
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.
References
- https://git.kernel.org/stable/c/25556a46ae6ecf2a9f1c1c5096828eecd4596b91
- https://git.kernel.org/stable/c/2b8f13d3c7e26c46c20d9e367904cf01729c88e6
- https://git.kernel.org/stable/c/5d222b657f02a37f658e4e21925b85b4703855e7
- https://git.kernel.org/stable/c/f0f3c3922db981031733a25c51e1f37cf9b9e251
This unknown severity vulnerability was published on 2026-08-26 via NVD.
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