CVE-2021-46934

i2c: validate user data in compat ioctl

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%

exploitation probability

0.2%top 87% of all CVEs

observed exploitation

nono source reports it

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

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26