What is CVE-2022-49656?

CVE-2022-49656 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.15 onward and patched in 4.19.252, 5.4.205, 5.10.130 and others. CVE-2022-49656 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49656?

CVE-2022-49656 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-2022-49656?

Yes, CVE-2022-49656 has been patched. Fixed versions include 4.19.252, 5.4.205, 5.10.130 and others. If you are running Linux kernel 4.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49656 actively exploited?

CVE-2022-49656 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49656

Medium

In the Linux kernel, the following vulnerability has been resolved: ARM: meson: Fix refcount leak in meson_smp_prepare_cpus of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

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

Affected versions

Linux kernel versions 4.15 and later are affected. Fixed in 4.19.252, 5.4.205, 5.10.130, 5.15.54, 5.18.11, 5.19 and their respective stable series.

Affected from

≥ 4.15

Fixed in

✓ 4.19.252 4.19.x ✓ 5.4.205 5.4.x ✓ 5.10.130 5.10.x ✓ 5.15.54 5.15.x ✓ 5.18.11 5.18.x ✓ 5.19

References

The following references provide additional information about CVE-2022-49656 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/2e1bcd33478ef44e63a45457055060b5fe4118ad
Patch
Kernel patch commit
https://git.kernel.org/stable/c/34d2cd3fccced12b958b8848e3eff0ee4296764c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3cf8ece9113242c10f83c7675ea4f4f67959ee43
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2022-49656

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-2022-49656?

CVE-2022-49656 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.15 onward and has been patched in 4.19.252, 5.4.205, 5.10.130 and others. CVE-2022-49656 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49656?

CVE-2022-49656 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-2022-49656?

Yes — CVE-2022-49656 has been patched. Fixed versions include 4.19.252, 5.4.205, 5.10.130 and others. If you are running Linux kernel 4.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49656 actively exploited?

No — CVE-2022-49656 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.