CVE-2021-3493

Linux Kernel Privilege Escalation Vulnerability — Linux / Kernel

Risk tier: Monitored

Description

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.

NVD enrichment (full description, CVSS vector, CWEs) has not completed for this CVE yet — shown above is the CISA KEV short description only.

Scoring

  • CVSS: Not yet available
  • EPSS exploitation probability: Not yet available
  • EPSS percentile: Not yet available

CISA KEV status

  • Added to KEV: 2022-10-20
  • Remediation due date: 2022-11-10
  • Known ransomware campaign use: Unknown

All exploited vulnerabilities