5.5
MEDIUM
CVE-2021-47264
"Acknowledgic Audio-engine Core: NULL Pointer Dereference Vulnerability"
Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: core: Fix Null-point-dereference in fmt_single_name() Check the return value of devm_kstrdup() in case of Null-point-dereference.

INFO

Published Date :

May 21, 2024, 3:15 p.m.

Last Modified :

Dec. 24, 2024, 4:34 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-47264 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel

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-2021-47264 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47264 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 from (including) 5.10 up to (excluding) 5.10.44 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.11 *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:5.13:rc5:*:*:*:*:*:*
    Changed Reference Type https://git.kernel.org/stable/c/047fd16015a79180771650aa6ce71f68b2c23368 No Types Assigned https://git.kernel.org/stable/c/047fd16015a79180771650aa6ce71f68b2c23368 Patch
    Changed Reference Type https://git.kernel.org/stable/c/047fd16015a79180771650aa6ce71f68b2c23368 No Types Assigned https://git.kernel.org/stable/c/047fd16015a79180771650aa6ce71f68b2c23368 Patch
    Changed Reference Type https://git.kernel.org/stable/c/0e2c9aeb00289f279b8181fbd4c20765127d8943 No Types Assigned https://git.kernel.org/stable/c/0e2c9aeb00289f279b8181fbd4c20765127d8943 Patch
    Changed Reference Type https://git.kernel.org/stable/c/0e2c9aeb00289f279b8181fbd4c20765127d8943 No Types Assigned https://git.kernel.org/stable/c/0e2c9aeb00289f279b8181fbd4c20765127d8943 Patch
    Changed Reference Type https://git.kernel.org/stable/c/41daf6ba594d55f201c50280ebcd430590441da1 No Types Assigned https://git.kernel.org/stable/c/41daf6ba594d55f201c50280ebcd430590441da1 Patch
    Changed Reference Type https://git.kernel.org/stable/c/41daf6ba594d55f201c50280ebcd430590441da1 No Types Assigned https://git.kernel.org/stable/c/41daf6ba594d55f201c50280ebcd430590441da1 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/047fd16015a79180771650aa6ce71f68b2c23368
    Added Reference https://git.kernel.org/stable/c/0e2c9aeb00289f279b8181fbd4c20765127d8943
    Added Reference https://git.kernel.org/stable/c/41daf6ba594d55f201c50280ebcd430590441da1
  • 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: ASoC: core: Fix Null-point-dereference in fmt_single_name() Check the return value of devm_kstrdup() in case of Null-point-dereference.
    Added Reference kernel.org https://git.kernel.org/stable/c/0e2c9aeb00289f279b8181fbd4c20765127d8943 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/047fd16015a79180771650aa6ce71f68b2c23368 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/41daf6ba594d55f201c50280ebcd430590441da1 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47264 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-2021-47264 weaknesses.

CVSS31 - Vulnerability Scoring System
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Latest DB Update: May. 15, 2025 12:57