CVE-2022-0847 vulnerability in Canonical and Other Products
Published on March 10, 2022
Known Exploited Vulnerability
This Linux Kernel Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. 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.".
The following remediation steps are recommended / required by May 16, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2022-0847 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Improper Initialization
The software does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. This can have security implications when the associated resource is expected to have certain properties or values, such as a variable that determines whether a user has been authenticated or not.
Products Associated with CVE-2022-0847
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.