CVE-2021-47257
Linux kernel Netgear Null Pointer Dereference Vulnerability
Description
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.
INFO
Published Date :
May 21, 2024, 3:15 p.m.
Last Modified :
April 4, 2025, 2:30 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47257.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47257 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47257 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Apr. 04, 2025
Action Type Old Value New Value Added CPE Configuration OR *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:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.196 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.238 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.9.274 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.127 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.45 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.12 Added Reference Type CVE: https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185 Added Reference https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 Added Reference https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 Added Reference https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e Added Reference https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 Added Reference https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 Added Reference https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 07, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-476 Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 21, 2024
Action Type Old Value New Value Added Description 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. Added Reference kernel.org https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47257 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47257
weaknesses.