Vulnerability identifier: #VU61110

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-0847

CWE-ID: CWE-908

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor:

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to usage of an uninitialized resources. A local user can overwrite arbitrary file in the page cache, even if the file is read-only, and execute arbitrary code on the system with elevated privileges.

The vulnerability was dubbed Dirty Pipe.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://dirtypipe.cm4all.com/

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?