CVE-2021-47021

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47021
In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix memleak when mt7915_unregister_device() mt7915_tx_token_put() should get call before mt76_free_pending_txwi().

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364 Patch
https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52 Patch
https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4 Patch
https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364 Patch
https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52 Patch
https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

09 Dec 2024, 17:59

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-401
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364 - () https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364 - Patch
References () https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52 - () https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52 - Patch
References () https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4 - () https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4 - Patch

21 Nov 2024, 06:35

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: mt76: mt7915: corrige memleak cuando mt7915_unregister_device() mt7915_tx_token_put() debería recibir una llamada antes que mt76_free_pending_txwi().
References () https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364 - () https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364 -
References () https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52 - () https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52 -
References () https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4 - () https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4 -

28 Feb 2024, 09:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-28 09:15

Updated : 2024-12-09 17:59

NVD link : CVE-2021-47021

Mitre link : CVE-2021-47021

CVE.ORG link : CVE-2021-47021

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime