CVE-2022-50235
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-15

Last updated on: 2025-11-24

Assigner: kernel.org

Description
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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-09-15
Last Modified
2025-11-24
Generated
2026-06-16
AI Q&A
2025-09-15
EPSS Evaluated
2026-06-15
NVD
CVE-2022-50235
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
linux linux_kernel 5.16
linux linux_kernel 5.16
linux linux_kernel 5.16
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a buffer overflow issue in the Linux kernel's NFSD component related to NFSv2 READDIR operations. Specifically, it involves the @count argument, where the previous limit was removed or altered, allowing a potential buffer overflow attack. The fix restores the previous limit on the @count argument to prevent this overflow.

Impact Analysis

This vulnerability could allow an attacker to exploit the buffer overflow in the NFSv2 READDIR operation, potentially leading to system crashes, data corruption, or execution of arbitrary code with kernel privileges, thereby compromising system stability and security.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2022-50235. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart