Vulnerabilities > CVE-2021-46934 - Improper Check for Unusual or Exceptional Conditions vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
LOW Availability impact
NONE Summary
In the Linux kernel, the following vulnerability has been resolved: i2c: validate user data in compat ioctl Wrong user data may cause warning in i2c_transfer(), ex: zero msgs. Userspace should not be able to trigger warnings, so this patch adds validation checks for user data in compact ioctl to prevent reported warnings
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b
- https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d
- https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f
- https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26
- https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf