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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-46934
HistoryFeb 27, 2024 - 10:15 a.m.

CVE-2021-46934

2024-02-2710:15:07
Debian Security Bug Tracker
security-tracker.debian.org
8
linux kernel
vulnerability
cve-2021-46934
i2c
user data
compact ioctl
warning
validation
userspace

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%

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

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%