CVE-2022-50235: NFSD: Protect against send buffer overflow in NFSv2 READDIR

Published Sep 15, 2025
·
Updated

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

NFSD: Protect against send buffer overflow in NFSv2 READDIR

Restore the previous limit on the @count argument to prevent a buffer overflow attack.

Affected Software

7 affected components
Linux Linux kernel
Linux Linux kernel>=5.15.12<5.15.75
Linux Linux kernel>=5.16.1<5.19.17
Linux Linux kernel>=6.0<6.0.3
Linux Linux kernel=5.16
Linux Linux kernel=5.16-rc7
Linux Linux kernel=5.16-rc8

Event History

Sep 15, 2025
CVE Published
via MITRE·02:01 PM
Data Sourced
via MITRE·02:01 PM
DescriptionSeverity
Data Sourced
via NVD·02:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2022-50235?

CVE-2022-50235 is considered a high severity vulnerability due to its potential to cause a buffer overflow attack.

2

How do I fix CVE-2022-50235?

To fix CVE-2022-50235, update your Linux kernel to a version that includes the patch resolving the send buffer overflow in NFSv2 READDIR.

3

What are the potential impacts of CVE-2022-50235?

The potential impacts of CVE-2022-50235 include unauthorized access and exploitation of the system due to buffer overflow.

4

Is CVE-2022-50235 present in all Linux kernel versions?

No, CVE-2022-50235 specifically affects certain versions of the Linux kernel prior to the incorporation of the security fix.

5

What components of the Linux kernel are affected by CVE-2022-50235?

CVE-2022-50235 affects the NFSD component of the Linux kernel that handles NFSv2 READDIR operations.

Contact

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