What is CVE-2022-50042?

CVE-2022-50042 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Memory Leak flaw (CWE-401), affecting Linux kernel versions from 5.10 onward and patched in 5.10.138, 5.15.63, 5.19.4 and others. CVE-2022-50042 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-50042?

CVE-2022-50042 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-50042?

Yes, CVE-2022-50042 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-2022-50042 actively exploited?

CVE-2022-50042 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2022-50042

Medium

In the Linux kernel, the following vulnerability has been resolved: net: genl: fix error path memory leak in policy dumping If construction of the array of policies fails when recording non-first policy we need to unwind. netlink_policy_dump_add_policy() itself also needs fixing as it currently gives up on error without recording the allocated pointer in the pstate pointer.

Package Linux Kernel

Published 2025-06-18

Last modified 2025-11-13

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-401

CVE-2022-50042 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. 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-2022-50042 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/249801360db3dec4f73768c502192020bfddeacc
Patch
Kernel patch commit
https://git.kernel.org/stable/c/26b6acd365823e99e46be3b27500f5dc235dda5e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/83411c9f05d5a8b637293b3389eca3d378197c04
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-50042

Severity Medium

CVSS score 5.5 / 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-2022-50042?

CVE-2022-50042 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . 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-2022-50042 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-50042?

CVE-2022-50042 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-50042?

Yes — CVE-2022-50042 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-2022-50042 actively exploited?

No — CVE-2022-50042 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →