CVE-2022-0847

high KEV

Published 2022-04-25 · Modified 2022-04-25

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CVSS v3

—

CVSS v4 NEW

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not yet in upstream

VIR risk

10.0

Description

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."

CISA KEV

Vendor: Linux
Product: Kernel
Due date: 2022-05-16

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-50808 local linux

Lance Biggerstaff · 2022-03-08

Linux Kernel 5.8 < 5.16.11 - Local Privilege Escalation (DirtyPipe)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_linux/local/cve_2022_0847_dirtypipe rank 600

Dirty Pipe Local Privilege Escalation via CVE-2022-0847

Source fetch failed: fetch_error — view the original via the link above.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`5.16.11-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`5.16.11-1`
sid	Fixed	`5.16.11-1`
forky	Fixed	`5.16.11-1`
bullseye	Fixed	`5.10.92-2`
bookworm	Fixed	`5.16.11-1`

Red Hat Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

Rocky Linux Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.