CVE-2021-46934

Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 27 Feb 2024, 09:44
Last modified:11 May 2026, 13:44

Vulnerability Summary

Overall Risk (default)
low
13/100
CVSS Score
3.3 LOW
v3.1 (nvd)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Feb 2024, 09:44
Published
Vulnerability first disclosed
11 May 2026, 13:44
Last Modified
Vulnerability information updated

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

CVSS Metrics

  • v3.1•LOW•Score: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Trends

Current EPSS score: 0.02%• Percentile: 5%

Techniques & Countermeasures

  • CWE-754•Improper Check for Unusual or Exceptional Conditions

    The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.

Affected Systems

  • linux•linux

    ≥ 7d5cb45655f2e9e37ef75d18f50c0072ef14a38b, < 407c8708fb1bf2d4afc5337ef50635cf540c364b | ≥ 7d5cb45655f2e9e37ef75d18f50c0072ef14a38b, < 9e4a3f47eff476097e0c7faac04d1831fc70237d | ≥ 7d5cb45655f2e9e37ef75d18f50c0072ef14a38b, < 8d31cbab4c295d7010ebb729e9d02d0e9cece18f | ≥ 7d5cb45655f2e9e37ef75d18f50c0072ef14a38b, < f68599581067e8a5a8901ba9eb270b4519690e26 | ≥ 7d5cb45655f2e9e37ef75d18f50c0072ef14a38b, < bb436283e25aaf1533ce061605d23a9564447bdf | 4.15

  • linux•linux_kernel

    ≥ 4.15.0, < 4.19.224 | ≥ 4.20.0, < 5.4.170 | ≥ 5.5.0, < 5.10.90 | ≥ 5.11.0, < 5.15.13

References (5)