CVE-2021-47122
Linux Kernel Net CAIF Memory Leak Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in caif_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer in case of error
INFO
Published Date :
March 15, 2024, 9:15 p.m.
Last Modified :
Jan. 7, 2025, 5:30 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to a patched version.
Public PoC/Exploit Available at Github
CVE-2021-47122 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-47122.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47122 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-2021-47122
weaknesses.
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).
Ini adalah repository kumpulan CVE v.5
allcve cve cvelist newcve
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47122 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47122 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]
Jan. 07, 2025
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NIST CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.3 up to (excluding) 4.4.272 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.272 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.236 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.194 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.125 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.43 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.10 *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:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb No Types Assigned https://git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb Patch Changed Reference Type https://git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb No Types Assigned https://git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb Patch Changed Reference Type https://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d No Types Assigned https://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d Patch Changed Reference Type https://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d No Types Assigned https://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d Patch Changed Reference Type https://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893 No Types Assigned https://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893 Patch Changed Reference Type https://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893 No Types Assigned https://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893 Patch Changed Reference Type https://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49 No Types Assigned https://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49 Patch Changed Reference Type https://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49 No Types Assigned https://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49 Patch Changed Reference Type https://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa No Types Assigned https://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa Patch Changed Reference Type https://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa No Types Assigned https://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa Patch Changed Reference Type https://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8 No Types Assigned https://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8 Patch Changed Reference Type https://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8 No Types Assigned https://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8 Patch Changed Reference Type https://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb No Types Assigned https://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb Patch Changed Reference Type https://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb No Types Assigned https://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb Patch Changed Reference Type https://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94 No Types Assigned https://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94 Patch Changed Reference Type https://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94 No Types Assigned https://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94 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/3be863c11cab725add9fef4237ed4e232c3fc3bb Added Reference https://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d Added Reference https://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893 Added Reference https://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49 Added Reference https://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa Added Reference https://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8 Added Reference https://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb Added Reference https://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94 -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Mar. 15, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in caif_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer in case of error Added Reference kernel.org https://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb [No types assigned]