What is CVE-2022-49206?

CVE-2022-49206 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 5.3 onward and patched in 5.4.189, 5.10.110, 5.15.33 and others. CVE-2022-49206 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49206?

CVE-2022-49206 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-2022-49206?

Yes, CVE-2022-49206 has been patched. Fixed versions include 5.4.189, 5.10.110, 5.15.33 and others. If you are running Linux kernel 5.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49206 actively exploited?

CVE-2022-49206 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-2022-49206

Medium

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix memory leak in error flow for subscribe event routine In case the second xa_insert() fails, the obj_event is not released. Fix the error unwind flow to free that memory to avoid a memory 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

Weakness type

CWE-401

CVE-2022-49206 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 5.3 and later are affected. Fixed in 5.4.189, 5.10.110, 5.15.33, 5.16.19, 5.17.2, 5.18 and their respective stable series.

Affected from

≥ 5.3

Fixed in

✓ 5.4.189 5.4.x ✓ 5.10.110 5.10.x ✓ 5.15.33 5.15.x ✓ 5.16.19 5.16.x ✓ 5.17.2 5.17.x ✓ 5.18

References

The following references provide additional information about CVE-2022-49206 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/0174a89663a5ef83617da15bf24c0af2f62b6c7f
Patch
Kernel patch commit
https://git.kernel.org/stable/c/087f9c3f2309ed183f7e4b85ae57121d8663224d
Patch
Kernel patch commit
https://git.kernel.org/stable/c/414b4e8738484379f18d6c4e780787c80dbf8a2c
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2022-49206

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-2022-49206?

CVE-2022-49206 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 5.3 onward and has been patched in 5.4.189, 5.10.110, 5.15.33 and others. CVE-2022-49206 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49206?

CVE-2022-49206 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-2022-49206?

Yes — CVE-2022-49206 has been patched. Fixed versions include 5.4.189, 5.10.110, 5.15.33 and others. If you are running Linux kernel 5.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49206 actively exploited?

No — CVE-2022-49206 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 →