Overview

The CVE-2025-27037 is a critical vulnerability discovered in the camera kernel driver, which could potentially lead to a system compromise or data leakage. This vulnerability is caused by memory corruption during the processing of config_dev IOCTL, which occurs when the camera kernel driver drops its reference to CPU buffers. It is a significant threat to any systems and products that incorporate the impacted driver, as malefactors could exploit it to compromise the system or leak sensitive data.

Vulnerability Summary

CVE ID: CVE-2025-27037
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: System compromise and potential data leakage

Affected Products

Product | Affected Versions

Camera Kernel Driver | All Prior Versions to Patch

How the Exploit Works

The exploit takes advantage of the memory corruption that occurs when the camera kernel driver drops its reference to CPU buffers while processing config_dev IOCTL. This situation can lead to undefined behavior, including the corruption of valid data, the execution of arbitrary code, or the triggering of a system crash. An attacker with sufficient access could exploit this vulnerability to compromise the system or leak sensitive data.

Conceptual Example Code

An example exploit might look like this. The exact details would depend on the specifics of the system configuration and the attacker’s goals.

# Assume the attacker has local access and can execute commands
# The attacker crafts a malicious IOCTL request that triggers the memory corruption
echo -ne "\x00\x00\x00\x00" > /dev/vuln_driver

In this
conceptual
example, the attacker writes a malicious IOCTL request directly to the device file of the vulnerable driver, triggering the memory corruption and leading to potential system compromise.