What is CVE-2022-49644?

CVE-2022-49644 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 5.4.207, 5.10.132, 5.15.56 and others. CVE-2022-49644 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49644?

CVE-2022-49644 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-2022-49644?

Yes, CVE-2022-49644 has been patched. Fixed versions include 5.4.207, 5.10.132, 5.15.56 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-2022-49644 actively exploited?

CVE-2022-49644 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49644

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/i915: fix a possible refcount leak in intel_dp_add_mst_connector() If drm_connector_init fails, intel_connector_free will be called to take care of proper free. So it is necessary to drop the refcount of port before intel_connector_free. (cherry picked from commit cea9ed611e85d36a05db52b6457bf584b7d969e2)

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 5.4.207, 5.10.132, 5.15.56, 5.18.13, 5.19 and their respective stable series.

Affected from

≥ 4.15

Fixed in

✓ 5.4.207 5.4.x ✓ 5.10.132 5.10.x ✓ 5.15.56 5.15.x ✓ 5.18.13 5.18.x ✓ 5.19

References

The following references provide additional information about CVE-2022-49644 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/505114dda5bbfd07f4ce9a2df5b7d8ef5f2a1218
Patch
Kernel patch commit
https://git.kernel.org/stable/c/592f3bad00b7e2a95a6fb7a4f9e742c061c9c3c1
Patch
Kernel patch commit
https://git.kernel.org/stable/c/72f231b9a88abcfac9f5ddaa1a0aacb3f9f87ba5
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2022-49644

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-2022-49644?

CVE-2022-49644 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 5.4.207, 5.10.132, 5.15.56 and others. CVE-2022-49644 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49644?

CVE-2022-49644 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-2022-49644?

Yes — CVE-2022-49644 has been patched. Fixed versions include 5.4.207, 5.10.132, 5.15.56 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-2022-49644 actively exploited?

No — CVE-2022-49644 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.