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CVE-2022-29800

Date: September 21, 2022

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.

Severity Score

Related Resources (5)

https://people.canonical.com/~ubuntu-security/cve/CVE-2022-29800
https://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/
https://nvd.nist.gov/vuln/detail/CVE-2022-29800
https://security-tracker.debian.org/tracker/CVE-2022-29800
https://www.mend.io/vulnerability-database/CVE-2022-29800

Severity Score

Weakness Type (CWE)

Time-of-check Time-of-use (TOCTOU) Race Condition

CWE-367

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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