CVE-2026-89825 in Linux
요약
\~에 의해 MITRE • 2026. 09. 16.
In the Linux kernel, the following vulnerability has been resolved:
drm/panthor: fix firmware control interface bounds checks
panthor_init_cs_iface() and panthor_init_csg_iface() validate firmware control interface offsets with 32-bit arithmetic and the size of the host wrapper structures. The offsets are derived from firmware-provided strides, so the arithmetic can wrap before the bounds check, and the host wrapper size is not the size of the firmware control interface being mapped.
Use 64-bit arithmetic for the computed offsets and validate against the actual firmware control interface structure sizes with subtraction-based bounds checks. Also validate that the shared section is large enough for the global control interface before using it.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.