Vulnerability in Linux Linux_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: 0.891 (99.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
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
- secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Exploit, Third Party Advisory)
- secalert@redhat.com (Exploit, VDB Entry, Third Party Advisory)
- secalert@redhat.com (Exploit, VDB Entry, Third Party Advisory)
- secalert@redhat.com (Exploit, VDB Entry, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0847?
- CVE-2022-0847 is a high-severity vulnerability in Linux Linux_kernel, classified under Improper Initialization. CVSS score: 7.8/10. Published 2022-03-10.
- How severe is CVE-2022-0847?
- High severity. CVSS v3 base score is 7.8 out of 10.
- 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. 557 public proof-of-concept repositories are indexed.