CVE-2021-47257

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47257
In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: fix null deref in parse dev addr Fix a logic error that could result in a null deref if the user sets the mode incorrectly for the given addr type.

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/1f95741981c899c4724647291fec5faa3c777185 Patch
https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 Patch
https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 Patch
https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e Patch
https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 Patch
https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 Patch
https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 Patch
https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185 Patch
https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 Patch
https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 Patch
https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e Patch
https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 Patch
https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 Patch
https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
History

04 Apr 2025, 14:30

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185 - () https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185 - Patch
References () https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 - () https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 - Patch
References () https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 - () https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 - Patch
References () https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e - () https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e - Patch
References () https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 - () https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 - Patch
References () https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 - () https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 - Patch
References () https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 - () https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 - Patch
CPE cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
First Time Linux linux Kernel
Linux

21 Nov 2024, 06:35

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185 - () https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185 -
References () https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 - () https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 -
References () https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 - () https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 -
References () https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e - () https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e -
References () https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 - () https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 -
References () https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 - () https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 -
References () https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 - () https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 -

07 Nov 2024, 17:35

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: net: ieee802154: corrige el deref null en analizar dev addr. Se corrige un error lógico que podría resultar en un deref null si el usuario configura el modo incorrectamente para el tipo de dirección dado.
CWE CWE-476
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

21 May 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-21 15:15

Updated : 2025-04-04 14:30

NVD link : CVE-2021-47257

Mitre link : CVE-2021-47257

CVE.ORG link : CVE-2021-47257

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference