What is CVE-2022-49126?

CVE-2022-49126 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 5.14 onward and patched in 5.15.34, 5.16.20, 5.17.3 and others. CVE-2022-49126 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49126?

CVE-2022-49126 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-2022-49126?

Yes, CVE-2022-49126 has been patched. Fixed versions include 5.15.34, 5.16.20, 5.17.3 and others. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49126 actively exploited?

CVE-2022-49126 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-2022-49126

Medium

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix memory leaks Fix memory leaks related to operational reply queue's memory segments which are not getting freed while unloading the driver.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-01

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-2022-49126 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 5.14 and later are affected. Fixed in 5.15.34, 5.16.20, 5.17.3, 5.18 and their respective stable series.

Affected from

≥ 5.14

Fixed in

✓ 5.15.34 5.15.x ✓ 5.16.20 5.16.x ✓ 5.17.3 5.17.x ✓ 5.18

References

4 total

Kernel Git
https://git.kernel.org/stable/c/27fc9e90171ab0a94a411f3fdb3522ef5acb9537

Patch
Kernel Git
https://git.kernel.org/stable/c/5d76a88b8536d75ff5362e232097e85946b8aadf

Patch
Kernel Git
https://git.kernel.org/stable/c/71c7ac65a084ae7d387c3c1d02d59edfdecb009f

Patch
Kernel Git
https://git.kernel.org/stable/c/d44b5fefb22e139408ae12b864da1ecb9ad9d1d2

Patch

Details

CVE ID CVE-2022-49126

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-10-01

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49126?

CVE-2022-49126 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 5.14 onward and has been patched in 5.15.34, 5.16.20, 5.17.3 and others. CVE-2022-49126 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49126?

CVE-2022-49126 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-2022-49126?

Yes. CVE-2022-49126 has been patched. Fixed versions include 5.15.34, 5.16.20, 5.17.3 and others. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49126 actively exploited?

No. CVE-2022-49126 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.