What is CVE-2022-49752?

CVE-2022-49752 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 5.15.91, 6.1.9 and 6.2. CVE-2022-49752 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49752?

CVE-2022-49752 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-2022-49752?

Yes, CVE-2022-49752 has been patched. Fixed versions include 5.15.91, 6.1.9 and 6.2. 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-2022-49752 actively exploited?

CVE-2022-49752 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49752

Medium

In the Linux kernel, the following vulnerability has been resolved: device property: fix of node refcount leak in fwnode_graph_get_next_endpoint() The 'parent' returned by fwnode_graph_get_port_parent() with refcount incremented when 'prev' is not NULL, it needs be put when finish using it. Because the parent is const, introduce a new variable to store the returned fwnode, then put it before returning from fwnode_graph_get_next_endpoint().

Package Linux Kernel

Published 2025-03-27

Last modified 2026-04-18

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 5.15.91, 6.1.9, 6.2 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 5.15.91 5.15.x ✓ 6.1.9 6.1.x ✓ 6.2

References

The following references provide additional information about CVE-2022-49752 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/39af728649b05e88a2b40e714feeee6451c3f18e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/7701a4bd45c11f9a289d8f262fad05705a012339
Patch
Kernel patch commit
https://git.kernel.org/stable/c/e0472947bead3af94cc968ce35fc0414803a2f65
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-49752

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-03-27

Modified 2026-04-18

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49752?

CVE-2022-49752 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 5.15.91, 6.1.9 and 6.2. CVE-2022-49752 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49752?

CVE-2022-49752 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-2022-49752?

Yes — CVE-2022-49752 has been patched. Fixed versions include 5.15.91, 6.1.9 and 6.2. 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-2022-49752 actively exploited?

No — CVE-2022-49752 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.