What is CVE-2022-49280?

CVE-2022-49280 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.12 onward and patched in 5.15.33, 5.16.19, 5.17.2 and others. CVE-2022-49280 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49280?

CVE-2022-49280 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-2022-49280?

Yes, CVE-2022-49280 has been patched. Fixed versions include 5.15.33, 5.16.19, 5.17.2 and others. If you are running Linux kernel 5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49280 actively exploited?

CVE-2022-49280 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49280

Medium

In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to prevent this issue.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-12-23

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-191

CVE-2022-49280 is classified as CWE-191

See CWE-191 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.12 and later are affected. Fixed in 5.15.33, 5.16.19, 5.17.2, 5.18 and their respective stable series.

Affected from

≥ 5.12

Fixed in

✓ 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-2022-49280 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/184416d4b98509fb4c3d8fc3d6dc1437896cc159
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2764af8ce0bf03cc43ee4a11897cab96bde6caae
Patch
Kernel patch commit
https://git.kernel.org/stable/c/413d8fefafe531a9442bb623e3fe292a38f88d65
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-49280

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-12-23

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49280?

CVE-2022-49280 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.12 onward and has been patched in 5.15.33, 5.16.19, 5.17.2 and others. CVE-2022-49280 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49280?

CVE-2022-49280 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-2022-49280?

Yes — CVE-2022-49280 has been patched. Fixed versions include 5.15.33, 5.16.19, 5.17.2 and others. If you are running Linux kernel 5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49280 actively exploited?

No — CVE-2022-49280 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.