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CVE-2022-0847
CWE-665
Critical
91.7
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
Description
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 local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system.
Source: NVD
Signals
- CVSS
- 7.8
- High · v3.1
- EPSS
- 92.79%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Apr 2022
- Fix commit
- Fix commit known
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-665
- Published
- 10 Mar 2022
- Last modified 6 Nov 2025
How to read these signals: RPS · EPSS · CISA KEV · Data sources
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Data as of 7 Oct 2026, 05:16 UK time