0.0
NA
CVE-2022-49956
RTL8712 Linux Kernel Use After Free Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix use after free bugs _Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl() functions don't do anything except free the "pcmd" pointer. It results in a use after free. Delete them.

INFO

Published Date :

June 18, 2025, 11:15 a.m.

Last Modified :

June 18, 2025, 1:46 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2022-49956 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
: Total Affected Vendor : 1 | Products : 1
Solution
Follow the instructions below to mitigate the CVE-2022-49956 vulnerability.
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-2022-49956.

URL Resource
https://git.kernel.org/stable/c/19e3f69d19801940abc2ac37c169882769ed9770
https://git.kernel.org/stable/c/376e15487fec837301d888068a3fcc82efb6171a
https://git.kernel.org/stable/c/7dce6b0ee7d78667d6c831ced957a08769973063
https://git.kernel.org/stable/c/9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27
https://git.kernel.org/stable/c/b1727def850904e4b8ba384043775672841663a1
https://git.kernel.org/stable/c/d0aac7146e96bf39e79c65087d21dfa02ef8db38
https://git.kernel.org/stable/c/dc02aaf950015850e7589696521c7fca767cea77
https://git.kernel.org/stable/c/e230a4455ac3e9b112f0367d1b8e255e141afae0
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-49956 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-2022-49956 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-2022-49956 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-49956 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.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 18, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix use after free bugs _Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl() functions don't do anything except free the "pcmd" pointer. It results in a use after free. Delete them.
    Added Reference https://git.kernel.org/stable/c/19e3f69d19801940abc2ac37c169882769ed9770
    Added Reference https://git.kernel.org/stable/c/376e15487fec837301d888068a3fcc82efb6171a
    Added Reference https://git.kernel.org/stable/c/7dce6b0ee7d78667d6c831ced957a08769973063
    Added Reference https://git.kernel.org/stable/c/9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27
    Added Reference https://git.kernel.org/stable/c/b1727def850904e4b8ba384043775672841663a1
    Added Reference https://git.kernel.org/stable/c/d0aac7146e96bf39e79c65087d21dfa02ef8db38
    Added Reference https://git.kernel.org/stable/c/dc02aaf950015850e7589696521c7fca767cea77
    Added Reference https://git.kernel.org/stable/c/e230a4455ac3e9b112f0367d1b8e255e141afae0
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.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.