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7.8
HIGH CVSS 3.1
CVE-2022-50040
net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions()
Description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions() If an error occurs in dsa_devlink_region_create(), then 'priv->regions' array will be accessed by negative index '-1'. Found by Linux Verification Center (linuxtesting.org) with SVACE.

INFO

Published Date :

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

Last Modified :

Nov. 13, 2025, 6:58 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2022-50040 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
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Address Linux kernel buffer overflow by updating to a patched version.
  • Update the Linux kernel to a version that includes the fix.
  • Verify the patch is applied correctly.
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-2022-50040.

URL Resource
https://git.kernel.org/stable/c/7983e1e44cb322eba6af84160b6d18df80603fb8 Patch
https://git.kernel.org/stable/c/79f86b862416126a2e826cb74224180d6625a32f Patch
https://git.kernel.org/stable/c/e84c6321f3578c38cb3c24258db91a92672b17a8 Patch
https://git.kernel.org/stable/c/fd8e899cdb5ecaf8e8ee73854a99e10807eef1de Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-50040 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-2022-50040 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-2022-50040 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-2022-50040 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]

    Nov. 13, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-787
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.63 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.19.4 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10 up to (excluding) 5.10.138
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7983e1e44cb322eba6af84160b6d18df80603fb8 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/79f86b862416126a2e826cb74224180d6625a32f Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/e84c6321f3578c38cb3c24258db91a92672b17a8 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/fd8e899cdb5ecaf8e8ee73854a99e10807eef1de Types: Patch
  • 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: net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions() If an error occurs in dsa_devlink_region_create(), then 'priv->regions' array will be accessed by negative index '-1'. Found by Linux Verification Center (linuxtesting.org) with SVACE.
    Added Reference https://git.kernel.org/stable/c/7983e1e44cb322eba6af84160b6d18df80603fb8
    Added Reference https://git.kernel.org/stable/c/79f86b862416126a2e826cb74224180d6625a32f
    Added Reference https://git.kernel.org/stable/c/e84c6321f3578c38cb3c24258db91a92672b17a8
    Added Reference https://git.kernel.org/stable/c/fd8e899cdb5ecaf8e8ee73854a99e10807eef1de
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
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact