What is CVE-2022-49233?

CVE-2022-49233 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Memory Leak flaw (CWE-401), affecting Linux kernel versions from 5.17 onward and patched in 5.17.2 and 5.18. CVE-2022-49233 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49233?

CVE-2022-49233 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-2022-49233?

Yes, CVE-2022-49233 has been patched. Fixed versions include 5.17.2 and 5.18. If you are running Linux kernel 5.17 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49233 actively exploited?

CVE-2022-49233 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2022-49233

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Call dc_stream_release for remove link enc assignment [Why] A porting error resulted in the stream assignment for the link being retained without being released - a memory leak. [How] Fix the porting error by adding back the dc_stream_release() intended as part of the original patch.

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

Weakness type

CWE-401

CVE-2022-49233 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.17 and later are affected. Fixed in 5.17.2, 5.18 and their respective stable series.

Affected from

≥ 5.17

Fixed in

✓ 5.17.2 5.17.x ✓ 5.18

References

The following references provide additional information about CVE-2022-49233 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/a28b7b6a0c827ce672edcdb5b2b5916b0beebe03
Patch
Kernel patch commit
https://git.kernel.org/stable/c/f2bde8349c35d01d7c50456ea06a5c7d5e0e5ed0
Patch

Details

CVE ID CVE-2022-49233

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-2022-49233?

CVE-2022-49233 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . It affects Linux kernel versions from 5.17 onward and has been patched in 5.17.2 and 5.18. CVE-2022-49233 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49233?

CVE-2022-49233 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-2022-49233?

Yes — CVE-2022-49233 has been patched. Fixed versions include 5.17.2 and 5.18. If you are running Linux kernel 5.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49233 actively exploited?

No — CVE-2022-49233 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →