Vulnerability in Kernel
CVE-2022-0847
A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged lo…
Vulnerability class: Dirty Pipe (CVE-2022-0847)
EPSS: 0.820 (99.2th percentile) — read the EPSS interpretation.
Affected products
- N/a Kernel — versions Linux Kernel 5.17 rc6
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi
- dirtypipe.cm4all.com/
- packetstormsecurity.com/files/166230/Dirty-Pipe-SUID-Binary-Hijack-Privilege-Es…
- packetstormsecurity.com/files/166229/Dirty-Pipe-Linux-Privilege-Escalation.html
- packetstormsecurity.com/files/166258/Dirty-Pipe-Local-Privilege-Escalation.html
- www.suse.com/support/kb/doc/
- security.netapp.com/advisory/ntap-20220325-0005/
- cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015
- packetstormsecurity.com/files/176534/Linux-4.20-KTLS-Read-Only-Write.html
Frequently asked questions
- What is CVE-2022-0847?
- CVE-2022-0847 is a vulnerability in Kernel, classified under Improper Initialization. Published 2022-03-07.
- Is CVE-2022-0847 known to be exploited?
- Yes. CVE-2022-0847 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-25), indicating it is being actively exploited. 554 public proof-of-concept repositories are indexed.