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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2021-47525
HistoryMay 24, 2024 - 3:15 p.m.

CVE-2021-47525

2024-05-2415:15:15
CWE-416
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
4
linux kernel
vulnerability
use-after-free
memleak
liteuart serial driver

CVSS3

7.8

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

AI Score

6.6

Confidence

Low

EPSS

0

Percentile

9.0%

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.

Affected configurations

Nvd
Node
linuxlinux_kernelRange5.115.15.7
VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS3

7.8

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

AI Score

6.6

Confidence

Low

EPSS

0

Percentile

9.0%