CVE-2021-47257

net: ieee802154: fix null deref in parse dev addr

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

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.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-04-10 CVE Reserved
2024-05-21 CVE Published
2024-12-19 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (9)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185	2021-06-30
https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e	2021-06-30
https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0	2021-06-30
https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67	2021-06-18
https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627	2021-06-18
https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993	2021-06-18
https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70	2021-04-23

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2021-47257	2024-08-08
https://bugzilla.redhat.com/show_bug.cgi?id=2282553	2024-08-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.9.274 Search vendor "Linux" for product "Linux Kernel" and version " < 4.9.274"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.14.238 Search vendor "Linux" for product "Linux Kernel" and version " < 4.14.238"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.19.196 Search vendor "Linux" for product "Linux Kernel" and version " < 4.19.196"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.4.127 Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.127"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.10.45 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.45"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.12.12 Search vendor "Linux" for product "Linux Kernel" and version " < 5.12.12"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.13 Search vendor "Linux" for product "Linux Kernel" and version " < 5.13"		en		Affected