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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
12
linux kernel
vulnerability
cve-2021-46934
i2c
user data
compact ioctl
warning
validation
userspace

CVSS3

3.3

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

AI Score

6.5

Confidence

High

EPSS

0

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

CVSS3

3.3

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

AI Score

6.5

Confidence

High

EPSS

0

Percentile

15.5%