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ubuntucveUbuntu.comUB:CVE-2021-47525
HistoryMay 24, 2024 - 12:00 a.m.

CVE-2021-47525

2024-05-2400:00:00
ubuntu.com
ubuntu.com
1
linux kernel
vulnerability
fix
serial driver
use-after-free
memleak

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.2%

In the Linux kernel, the following vulnerability has been resolved: serial:
liteuart: fix use-after-free and memleak on unbind Deregister the port when
unbinding the driver to prevent it from being used after releasing the
driver data and leaking memory allocated by serial core.

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.2%