CVE-2022-29800

Public Exploit

Description

A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. This flaw exists because there is a certain time between the scripts being discovered and them being run. An attacker can abuse this vulnerability to replace scripts that networkd-dispatcher believes to be owned by root with ones that are not.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.97% Top 25%
Vendor Advisory microsoft.com
Affected: n/a networkd-dispatcher
Published at:
Updated at:

References

Link Tags
https://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/ exploit vendor advisory technical description

Frequently Asked Questions

What is the severity of CVE-2022-29800?
CVE-2022-29800 has been scored as a medium severity vulnerability.
How to fix CVE-2022-29800?
To fix CVE-2022-29800, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-29800 being actively exploited in the wild?
It is possible that CVE-2022-29800 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-29800?
CVE-2022-29800 affects n/a networkd-dispatcher.
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