CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.3. Public exploit code or proof-of-concept references have been detected in its references.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
code execution
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2021-22556
Severity
MEDIUM
CVSS
5.3
EPSS
0.15%
Original NVD Description
The Security Team discovered an integer overflow bug that allows an attacker with code execution to issue memory cache invalidation operations on pages that they don’t own, allowing them to control kernel memory from userspace. We recommend upgrading to kernel version 4.1 or beyond.
Related CVEs
Other vulnerabilities affecting the same vendor(s)