Linux Kernel up to 5.10.101/5.15.24/5.16.10 Pipe Dirty Pipe Privilege Escalation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7$0-$5k0.22

A vulnerability was found in Linux Kernel up to 5.10.101/5.15.24/5.16.10 (Operating System) and classified as critical. This issue affects some unknown processing of the component Pipe Handler. Impacted is confidentiality, integrity, and availability.

The weakness was presented 03/08/2022. The advisory is shared at dirtypipe.cm4all.com. The identification of this vulnerability is CVE-2022-0847. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Max Kellermann/BLASTY in C and been published before and not just after the advisory. The exploit is available at haxx.in. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 5.10.102, 5.15.25 or 5.16.11 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Type

Vendor

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege Escalation
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Max Kellermann/BLASTY
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.10.102/5.15.25/5.16.11
Patch: lore.kernel.org

Timelineinfo

03/03/2022 🔍
03/07/2022 +4 days 🔍
03/08/2022 +1 days 🔍
03/08/2022 +0 days 🔍
03/16/2022 +8 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: dirtypipe.cm4all.com
Status: Confirmed

CVE: CVE-2022-0847 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/08/2022 05:52 AM
Updated: 03/16/2022 08:51 AM
Changes: 03/08/2022 05:52 AM (43), 03/08/2022 09:26 AM (6), 03/09/2022 05:14 PM (2), 03/16/2022 08:51 AM (1)
Complete: 🔍
Committer: misc

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