CVE-2021-47526

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47526
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().

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/0f55f89d98c8b3e12b4f55f71c127a173e29557c Patch
https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f Patch
https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c Patch
https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f Patch
Configurations

Configuration 1 (hide)

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

21 Nov 2024, 06:36

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c - Patch () https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c - Patch
References () https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f - Patch () https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f - Patch

10 Jun 2024, 18:40

Type Values Removed Values Added
CWE CWE-476
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: serial: liteuart: se corrige la desreferencia del puntero NULL en ->remove() drvdata debe configurarse en _probe(); de lo contrario, platform_get_drvdata() provoca un ERROR de desreferencia del puntero nulo en _remove().
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c - () https://git.kernel.org/stable/c/0f55f89d98c8b3e12b4f55f71c127a173e29557c - Patch
References () https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f - () https://git.kernel.org/stable/c/189c99c629bbf85916c02c153f904649cc0a9d7f - Patch
First Time Linux linux Kernel
Linux

24 May 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-24 15:15

Updated : 2024-11-21 06:36

NVD link : CVE-2021-47526

Mitre link : CVE-2021-47526

CVE.ORG link : CVE-2021-47526

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference