What is CVE-2022-49461?

CVE-2022-49461 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 5.16 onward and patched in 5.17.14, 5.18.3 and 5.19. CVE-2022-49461 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49461?

CVE-2022-49461 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-2022-49461?

Yes, CVE-2022-49461 has been patched. Fixed versions include 5.17.14, 5.18.3 and 5.19. If you are running Linux kernel 5.16 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49461 actively exploited?

CVE-2022-49461 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-2022-49461

Medium

In the Linux kernel, the following vulnerability has been resolved: amt: fix memory leak for advertisement message When a gateway receives an advertisement message, it extracts relay information and then it should be freed. But the advertisement handler doesn't free it. So, memory leak would occur.

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-2022-49461 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 5.16 and later are affected. Fixed in 5.17.14, 5.18.3, 5.19 and their respective stable series.

Affected from

≥ 5.16

Fixed in

✓ 5.17.14 5.17.x ✓ 5.18.3 5.18.x ✓ 5.19

References

The following references provide additional information about CVE-2022-49461 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/19bb2d57eac86a368839a92117d8a10ab7183623
Patch
Kernel patch commit
https://git.kernel.org/stable/c/e7322da399fb86a2072f008b56f7160afa1b2051
Patch
Kernel patch commit
https://git.kernel.org/stable/c/fe29794c3585d039fefebaa2b5a4932a627ad4fd
Patch

Details

CVE ID CVE-2022-49461

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-2022-49461?

CVE-2022-49461 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 5.16 onward and has been patched in 5.17.14, 5.18.3 and 5.19. CVE-2022-49461 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49461?

CVE-2022-49461 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-2022-49461?

Yes — CVE-2022-49461 has been patched. Fixed versions include 5.17.14, 5.18.3 and 5.19. If you are running Linux kernel 5.16 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49461 actively exploited?

No — CVE-2022-49461 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 →