CVE-2021-46934

i2c: validate user data in compat ioctl

Description

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

Category

3.3
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.01%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2021-46934?
CVE-2021-46934 has been scored as a low severity vulnerability.
How to fix CVE-2021-46934?
To fix CVE-2021-46934, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-46934 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-46934 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-46934?
CVE-2021-46934 affects Linux Linux, Linux Linux.
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