3.3

CVE-2021-46934

i2c: validate user data in compat ioctl

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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.15.0 < 4.19.224
Linux ≫ Linux Kernel Version >= 4.20.0 < 5.4.170
Linux ≫ Linux Kernel Version >= 5.5.0 < 5.10.90
Linux ≫ Linux Kernel Version >= 5.11.0 < 5.15.13
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.23% 0.139
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 3.3 1.8 1.4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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.

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