What is CVE-2022-49668?

CVE-2022-49668 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.0 onward and patched in 5.4.204, 5.10.129, 5.15.53 and others. CVE-2022-49668 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49668?

CVE-2022-49668 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-2022-49668?

Yes, CVE-2022-49668 has been patched. Fixed versions include 5.4.204, 5.10.129, 5.15.53 and others. If you are running Linux kernel 4.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49668 actively exploited?

CVE-2022-49668 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49668

Medium

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. This function only calls of_node_put() in normal path, missing it in error paths. 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 4.0 and later are affected. Fixed in 5.4.204, 5.10.129, 5.15.53, 5.18.10, 5.19 and their respective stable series.

Affected from

≥ 4.0

Fixed in

✓ 5.4.204 5.4.x ✓ 5.10.129 5.10.x ✓ 5.15.53 5.15.x ✓ 5.18.10 5.18.x ✓ 5.19

References

The following references provide additional information about CVE-2022-49668 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/01121e39ef537289926ae6f5374dce92c796d863
Patch
Kernel patch commit
https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2022-49668

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-2022-49668?

CVE-2022-49668 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.0 onward and has been patched in 5.4.204, 5.10.129, 5.15.53 and others. CVE-2022-49668 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49668?

CVE-2022-49668 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-2022-49668?

Yes — CVE-2022-49668 has been patched. Fixed versions include 5.4.204, 5.10.129, 5.15.53 and others. If you are running Linux kernel 4.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49668 actively exploited?

No — CVE-2022-49668 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.