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ubuntucveUbuntu.comUB:CVE-2021-47526
HistoryMay 24, 2024 - 12:00 a.m.

CVE-2021-47526

2024-05-2400:00:00
ubuntu.com
ubuntu.com
3
linux
kernel
vulnerability
serial
liteuart
null pointer
dereference
platform_get_drvdata

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.5

Confidence

Low

EPSS

0

Percentile

9.0%

In the Linux kernel, the following vulnerability has been resolved: serial:
liteuart: Fix NULL pointer dereference in ->remove() drvdata has to be set
in _probe() - otherwise platform_get_drvdata() causes null pointer
dereference BUG in _remove().

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.5

Confidence

Low

EPSS

0

Percentile

9.0%