The Linux kernel DRM driver for GMA500 Oaktrail LVDS contains a flaw that causes a system hang when the driver initialization fails. The init routine obtains an I2C adapter via i2c_get_adapter and, on failure, attempts to deregister that adapter, but the code does not distinguish between adapters acquired from the system and ones created locally. This can result in a deadlock where the kernel waits indefinitely for a reference count to drop, effectively freezing the entire operating system and denying all services.

The vulnerability affects any Linux kernel that includes the gma500 oaktrail_lvds driver. It is inferred that all kernel builds containing this driver, whether built‑in or loaded as a module, are susceptible. The advisory does not specify particular kernel version ranges, so any kernel tree with the vulnerable code is potentially at risk.

The flaw is a local denial‑of‑service that depends on the driver initialization path being triggered. The likely attack vector is a low‑privileged user manipulating the display environment in a way that forces the driver to fail during initialization, such as by tampering with EDID data or disconnecting the monitor during system boot. The EPSS score is not available and the vulnerability is not listed in the CISA KEV catalog. No CVSS score is produced, but the impact of a complete system freeze means this issue warrants urgent attention.