Linux Kernel Privilege Escalation Vulnerability (CVE-2022-0847)
Severity: high · Patch status: patched · Since 2022-04-25 · CVE-2022-0847
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.". CISA added CVE-2022-0847 to its Known Exploited Vulnerabilities catalog on Apr 25, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by May 16, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch