What is CVE-2022-49854?

CVE-2022-49854 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.15 onward and patched in 5.15.79, 6.0.9 and 6.1. CVE-2022-49854 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49854?

CVE-2022-49854 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-2022-49854?

Yes, CVE-2022-49854 has been patched. Fixed versions include 5.15.79, 6.0.9 and 6.1. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49854 actively exploited?

CVE-2022-49854 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49854

Medium

In the Linux kernel, the following vulnerability has been resolved: mctp: Fix an error handling path in mctp_init() If mctp_neigh_init() return error, the routes resources should be released in the error handling path. Otherwise some resources leak.

Package Linux Kernel

Published 2025-05-01

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

Affected versions

Linux kernel versions 5.15 and later are affected. Fixed in 5.15.79, 6.0.9, 6.1 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 5.15.79 5.15.x ✓ 6.0.9 6.0.x ✓ 6.1

References

The following references provide additional information about CVE-2022-49854 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/216c83222d2eb24b0e63df56e8740b02c33286e8
Patch
Kernel patch commit
https://git.kernel.org/stable/c/49d8a6e24a3496d86e8d8ae748375df984fb6d6f
Patch
Kernel patch commit
https://git.kernel.org/stable/c/d4072058af4fd8fb4658e7452289042a406a9398
Patch

Details

CVE ID CVE-2022-49854

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-05-01

Modified 2025-10-01

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49854?

CVE-2022-49854 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.15 onward and has been patched in 5.15.79, 6.0.9 and 6.1. CVE-2022-49854 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49854?

CVE-2022-49854 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-2022-49854?

Yes — CVE-2022-49854 has been patched. Fixed versions include 5.15.79, 6.0.9 and 6.1. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49854 actively exploited?

No — CVE-2022-49854 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.