What is CVE-2022-49777?

CVE-2022-49777 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 4.19.224 onward and patched in 4.19.267, 5.4.225, 5.10.156 and others. CVE-2022-49777 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49777?

CVE-2022-49777 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-2022-49777?

Yes, CVE-2022-49777 has been patched. Fixed versions include 4.19.267, 5.4.225, 5.10.156 and others. If you are running Linux kernel 4.19.224 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49777 actively exploited?

CVE-2022-49777 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-2022-49777

Medium

In the Linux kernel, the following vulnerability has been resolved: Input: i8042 - fix leaking of platform device on module removal Avoid resetting the module-wide i8042_platform_device pointer in i8042_probe() or i8042_remove(), so that the device can be properly destroyed by i8042_exit() on module unload.

Package Linux Kernel

Published 2025-05-01

Last modified 2025-11-07

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-2022-49777 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 4.19.224, 5.4.170, 5.10.90, 5.15.13, 5.16 and later are affected. Fixed in 4.19.267, 5.4.225, 5.10.156, 5.15.80, 6.0.10, 6.1 and their respective stable series.

Affected from

≥ 4.19.224 ≥ 5.4.170 ≥ 5.10.90 ≥ 5.15.13 ≥ 5.16

Fixed in

✓ 4.19.267 4.19.x ✓ 5.4.225 5.4.x ✓ 5.10.156 5.10.x ✓ 5.15.80 5.15.x ✓ 6.0.10 6.0.x ✓ 6.1

References

The following references provide additional information about CVE-2022-49777 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/3f25add5ecf88de0f8ff2b27b6c0731a1f1b38ed
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4f348b60c79671eee33c1389efe89109c93047da
Patch
Kernel patch commit
https://git.kernel.org/stable/c/81cd7e8489278d28794e7b272950c3e00c344e44
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2022-49777

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-05-01

Modified 2025-11-07

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49777?

CVE-2022-49777 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 4.19.224 onward and has been patched in 4.19.267, 5.4.225, 5.10.156 and others. CVE-2022-49777 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49777?

CVE-2022-49777 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-2022-49777?

Yes — CVE-2022-49777 has been patched. Fixed versions include 4.19.267, 5.4.225, 5.10.156 and others. If you are running Linux kernel 4.19.224 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49777 actively exploited?

No — CVE-2022-49777 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 →