CVE-2022-49279: NFSD: prevent integer overflow on 32 bit systems

Published Feb 26, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

NFSD: prevent integer overflow on 32 bit systems

On a 32 bit system, the "len sizeof(p)" operation can have an integer overflow.

Affected Software

7 affected components
Linux Linux kernel
Linux Linux kernel<4.19.238
Linux Linux kernel>=4.20<5.4.189
Linux Linux kernel>=5.5<5.10.110
Linux Linux kernel>=5.11<5.15.33
Linux Linux kernel>=5.16<5.16.19
Linux Linux kernel>=5.17<5.17.2

Event History

Feb 26, 2025
CVE Published
via MITRE·01:56 AM
Data Sourced
via MITRE·01:56 AM
DescriptionSeverity
Data Sourced
via NVD·07:01 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2022-49279?

CVE-2022-49279 has been assessed as having a moderate severity level due to the potential for integer overflow on 32-bit systems.

2

How do I fix CVE-2022-49279?

To mitigate CVE-2022-49279, update your Linux kernel to a version that is equal to or greater than the fixed versions specified in the CVE details.

3

Which Linux kernel versions are affected by CVE-2022-49279?

CVE-2022-49279 affects multiple Linux kernel versions between 4.20 and 5.17.2, along with older versions prior to 4.19.238.

4

What are the risks associated with CVE-2022-49279?

The risks associated with CVE-2022-49279 include potential system crashes or exploitation leading to unauthorized access due to an integer overflow.

5

Is CVE-2022-49279 specific to certain Linux distributions?

CVE-2022-49279 is specific to the Linux kernel itself and can affect any Linux distribution that uses the vulnerable kernel versions.

Contact

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