All vulnerabilities
CVE-2022-0847

Linux Kernel Privilege Escalation Vulnerability

Linux KernelOperating systems
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationExploited in the wildAdded to KEV 25 Apr 2022CISA KEV
Exploit odds (EPSS)92.8%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline16 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 20 Feb 2022Exploit code publicMetasploit
  2. 7 Mar 2022, 00:00 UTCPublishedCVE List
  3. 25 Apr 2022Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleDirty Pipe Local Privilege Escalation via CVE-2022-0847 20 Feb 2022Metasploit
  • Local exploitLinux Kernel 5.8 < 5.16.11 - Local Privilege Escalation (DirtyPipe) 8 Mar 2022Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Linux kernel contains an improper initialization vulnerability where an unprivileged local user could escalate their privileges on the system. This vulnerability has the moniker of "Dirty Pipe."

Text from CVE List

Affected versions 1

  • kernelaffected: Linux Kernel 5.17 rc6CVE List

References 8