CVE-2026-80577
Description
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.
How to fix
- Linux Linuxf0f3c3922db981031733a25c51e1f37cf9b9e251, 25556a46ae6ecf2a9f1c1c5096828eecd4596b91, 5d222b657f02a37f658e4e21925b85b4703855e7, 2b8f13d3c7e26c46c20d9e367904cf01729c88e6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 2718d91816eeed03c09c8abe872e45f59078768c ≤ v < f0f3c3922db981031733a25c51e1f37cf9b9e251, 2718d91816eeed03c09c8abe872e45f59078768c ≤ v < 25556a46ae6ecf2a9f1c1c5096828eecd4596b91, 2718d91816eeed03c09c8abe872e45f59078768c ≤ v < 5d222b657f02a37f658e4e21925b85b4703855e7, 2718d91816eeed03c09c8abe872e45f59078768c ≤ v < 2b8f13d3c7e26c46c20d9e367904cf01729c88e6, 6.10 | f0f3c3922db981031733a25c51e1f37cf9b9e251, 25556a46ae6ecf2a9f1c1c5096828eecd4596b91, 5d222b657f02a37f658e4e21925b85b4703855e7, 2b8f13d3c7e26c46c20d9e367904cf01729c88e6 |
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