CVE-2021-47332
ALSA usx2y NULL Pointer Dereference
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Don't call free_pages_exact() with NULL address Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops.
INFO
Published Date :
May 21, 2024, 3:15 p.m.
Last Modified :
Dec. 24, 2024, 4:15 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
- 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-2021-47332.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47332 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-2021-47332
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-2021-47332 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47332 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. 24, 2024
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-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.134 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.52 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.13 up to (excluding) 5.13.4 Changed Reference Type https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d No Types Assigned https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d Patch Changed Reference Type https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d No Types Assigned https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d Patch Changed Reference Type https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196 No Types Assigned https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196 Patch Changed Reference Type https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196 No Types Assigned https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196 Patch Changed Reference Type https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19 No Types Assigned https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19 Patch Changed Reference Type https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19 No Types Assigned https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19 Patch Changed Reference Type https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a No Types Assigned https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a Patch Changed Reference Type https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a No Types Assigned https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a Patch Changed Reference Type https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f No Types Assigned https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f Patch Changed Reference Type https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f No Types Assigned https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f 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/7d7f30cf182e55023fa8fde4c084b2d37c6be69d Added Reference https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196 Added Reference https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19 Added Reference https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a Added Reference https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f -
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: ALSA: usx2y: Don't call free_pages_exact() with NULL address Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops. Added Reference kernel.org https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f [No types assigned]