Vulnerability record

CVE-2022-0847

A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.

Full record read. Reported values and explicit gaps below come from the tracked record. Tracker snapshot: Aug 8, 2026.

What it is

Reported

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." Source description excerpt; complete tracked detail loads below.

NVD published: Mar 10, 2022 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

What is affected

Reported

Linux — Kernel. Product-level identification only; no affected-version conclusion is available from this field.

NVD published: Mar 10, 2022 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Urgency and basis

Reported

Act · 462.0

Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Exploitation evidence

Reported

kev-listed · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog

Active since: Apr 25, 2022 · CISA KEV added: Apr 25, 2022 · VulnCheck KEV added: Apr 25, 2022 · ENISA added: Apr 25, 2022 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

What to do

Reported

Apply updates per vendor instructions.

Source remediation ↗

Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Evidence detail

Loading the full tracker evidence record…