CVE-2021-3493

Linux Kernel Privilege Escalation Vulnerability
49.2%
EPSS
99%
Percentile
Yes
Known exploited
0
APAC news · 90d
Summary

The overlayfs stacking file system in Linux kernel does not properly validate the application of file capabilities against user namespaces, which could lead to privilege escalation.

Vendor
Linux
Product
Kernel
Added to KEV
Oct 20, 2022
Remediation due
Nov 10, 2022 (US federal deadline)
Ransomware use
Not known
Weakness
CWE-862
EPSS
49.2% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded