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Case File

CVE-2020-8428

HIGH · CVSS 7.1 EPSS 0.66% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-01-29 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.1. It affects Linux. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-8428
Severity
HIGH
CVSS
7.1
EPSS
0.66%
Linux

Original NVD Description

fs/namei.c in the Linux kernel before 5.5 has a may_create_in_sticky use-after-free, which allows local users to cause a denial of service (OOPS) or possibly obtain sensitive information from kernel memory, aka CID-d0cb50185ae9. One attack vector may be an open system call for a UNIX domain socket, if the socket is being moved to a new parent directory and its old parent directory is being removed.

Related CVEs

Other vulnerabilities affecting the same vendor(s)