CVE-2021-47306
Turbochannel Adapter Netdev UAF
Description
In the Linux kernel, the following vulnerability has been resolved: net: fddi: fix UAF in fza_probe fp is netdev private data and it cannot be used after free_netdev() call. Using fp after free_netdev() can cause UAF bug. Fix it by moving free_netdev() after error message. TURBOchannel adapter")
INFO
Published Date :
May 21, 2024, 3:15 p.m.
Last Modified :
Dec. 26, 2024, 6:43 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
5.9
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-2021-47306.
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-2021-47306 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47306 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.
-
Initial Analysis by [email protected]
Dec. 26, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.135 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.53 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.13.5 *cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee No Types Assigned https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee Patch Changed Reference Type https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee No Types Assigned https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee Patch Changed Reference Type https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 No Types Assigned https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 Patch Changed Reference Type https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 No Types Assigned https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 Patch Changed Reference Type https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 No Types Assigned https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 Patch Changed Reference Type https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 No Types Assigned https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 Patch Changed Reference Type https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf No Types Assigned https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf Patch Changed Reference Type https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf No Types Assigned https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf 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/04b06716838bfc26742dbed3ae1d3697fe5317ee Added Reference https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 Added Reference https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 Added Reference https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf -
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: fddi: fix UAF in fza_probe fp is netdev private data and it cannot be used after free_netdev() call. Using fp after free_netdev() can cause UAF bug. Fix it by moving free_netdev() after error message. TURBOchannel adapter") Added Reference kernel.org https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9 [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-2021-47306 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-2021-47306
weaknesses.