CVE-2021-47057
Apache Vulnerability - Linux Kernel Memory Leak
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map In the case where the dma_iv mapping fails, the return error path leaks the memory allocated to object d. Fix this by adding a new error return label and jumping to this to ensure d is free'd before the return. Addresses-Coverity: ("Resource leak")
INFO
Published Date :
Feb. 29, 2024, 11:15 p.m.
Last Modified :
March 19, 2025, 3:57 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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- There is no known solution at this time.
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-2021-47057.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47057 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-2021-47057
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47057 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47057 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]
Mar. 19, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.11.21 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12 up to (excluding) 5.12.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10 up to (excluding) 5.10.37 Added Reference Type CVE: https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410 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/617ec35ed51f731a593ae7274228ef2cfc9cb781 Added Reference https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d Added Reference https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e Added Reference https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 06, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-770 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 Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 29, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map In the case where the dma_iv mapping fails, the return error path leaks the memory allocated to object d. Fix this by adding a new error return label and jumping to this to ensure d is free'd before the return. Addresses-Coverity: ("Resource leak") Added Reference Linux https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e [No types assigned]