5.5
MEDIUM
CVE-2021-47644
Zoran Media Videodev Memory Leak
Description

In the Linux kernel, the following vulnerability has been resolved: media: staging: media: zoran: move videodev alloc Move some code out of zr36057_init() and create new functions for handling zr->video_dev. This permit to ease code reading and fix a zr->video_dev memory leak.

INFO

Published Date :

Feb. 26, 2025, 6:37 a.m.

Last Modified :

March 18, 2025, 7:09 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-2021-47644 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-2021-47644 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47644 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. 18, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.17 up to (excluding) 5.17.2 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.16.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.10.110
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/1e501ec38796f43e995731d1bcd4173cb1ccfce0 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/82e3a496eb56da0b9f29fdc5b63cedb3289e91de Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/bd01629315ffd5b63da91d0bd529a77d30e55028 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/c1ba65100a359fe28cfe37e09e10c99f247cbf1e Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ff3357bffd9fb78f59762d8955afc7382a279079 Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 26, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: media: staging: media: zoran: move videodev alloc Move some code out of zr36057_init() and create new functions for handling zr->video_dev. This permit to ease code reading and fix a zr->video_dev memory leak.
    Added Reference https://git.kernel.org/stable/c/1e501ec38796f43e995731d1bcd4173cb1ccfce0
    Added Reference https://git.kernel.org/stable/c/82e3a496eb56da0b9f29fdc5b63cedb3289e91de
    Added Reference https://git.kernel.org/stable/c/bd01629315ffd5b63da91d0bd529a77d30e55028
    Added Reference https://git.kernel.org/stable/c/c1ba65100a359fe28cfe37e09e10c99f247cbf1e
    Added Reference https://git.kernel.org/stable/c/ff3357bffd9fb78f59762d8955afc7382a279079
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-2021-47644 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-2021-47644 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
© cvefeed.io
Latest DB Update: Apr. 25, 2025 9:06