CVE-2021-46934

low-risk
Published 2024-02-27

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

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (10)

Patch https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b
Patch https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f
Patch https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d
Patch https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf
Patch https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26
Patch https://git.kernel.org/stable/c/407c8708fb1bf2d4afc5337ef50635cf540c364b
Patch https://git.kernel.org/stable/c/8d31cbab4c295d7010ebb729e9d02d0e9cece18f
Patch https://git.kernel.org/stable/c/9e4a3f47eff476097e0c7faac04d1831fc70237d
Patch https://git.kernel.org/stable/c/bb436283e25aaf1533ce061605d23a9564447bdf
Patch https://git.kernel.org/stable/c/f68599581067e8a5a8901ba9eb270b4519690e26
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal