CVE-2022-0847NVD

Vulnerability Summary

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.

Severity Level

UNKNOWN

Published Date

Mar 7, 2022

Last Modified

Oct 21, 2025

PoC

Available(Metasploit)

Exploitation Status

ACTIVE

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-665: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

Affected & Patched Versions

Affected Versions

n/a kernel >= Linux Kernel 5.17 rc6

Patched Versions

Not provided by cveorg for this CVE.

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