What is CVE-2022-50040?

CVE-2022-50040 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Out-of-bounds Write flaw (CWE-787), affecting Linux kernel versions from 5.10 onward and patched in 5.10.138, 5.15.63, 5.19.4 and others. CVE-2022-50040 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-50040?

CVE-2022-50040 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2022-50040?

Yes, CVE-2022-50040 has been patched. Fixed versions include 5.10.138, 5.15.63, 5.19.4 and others. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-50040 actively exploited?

CVE-2022-50040 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2022-50040

High

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.

Package Linux Kernel

Published 2025-06-18

Last modified 2025-11-13

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-787

CVE-2022-50040 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.10 and later are affected. Fixed in 5.10.138, 5.15.63, 5.19.4, 6.0 and their respective stable series.

Affected from

≥ 5.10

Fixed in

✓ 5.10.138 5.10.x ✓ 5.15.63 5.15.x ✓ 5.19.4 5.19.x ✓ 6.0

References

The following references provide additional information about CVE-2022-50040 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/7983e1e44cb322eba6af84160b6d18df80603fb8
Patch
Kernel patch commit
https://git.kernel.org/stable/c/79f86b862416126a2e826cb74224180d6625a32f
Patch
Kernel patch commit
https://git.kernel.org/stable/c/e84c6321f3578c38cb3c24258db91a92672b17a8
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-50040

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2025-06-18

Modified 2025-11-13

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-50040?

CVE-2022-50040 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . It affects Linux kernel versions from 5.10 onward and has been patched in 5.10.138, 5.15.63, 5.19.4 and others. CVE-2022-50040 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-50040?

CVE-2022-50040 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2022-50040?

Yes — CVE-2022-50040 has been patched. Fixed versions include 5.10.138, 5.15.63, 5.19.4 and others. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-50040 actively exploited?

No — CVE-2022-50040 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. View CWE-787 on MITRE CWE →