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Vulnerability DatabaseCVE-2021-20297
CVE-2021-20297:
NixOS vulnerability analysis and mitigation
Overview
A vulnerability (CVE-2021-20297) was discovered in NetworkManager versions before 1.30.0. The flaw involves setting match.path and activating a profile, which results in a crash of NetworkManager. This vulnerability was identified and disclosed in December 2020, with fixes released in May 2021 (NVD, Red Hat).
Technical details
The vulnerability occurs when NetworkManager processes a profile configuration with match.path settings. When such a profile is activated, it triggers a crash in the NetworkManager service. The issue was introduced in version 1.26-rc2 through a specific commit and was subsequently fixed in version 1.30.0 with a patch (Debian Tracker).
Impact
The primary impact of this vulnerability is on system availability. When successfully exploited, it causes NetworkManager to crash, potentially disrupting network connectivity and management capabilities of the affected system (Red Hat).
Mitigation and workarounds
The vulnerability was addressed in NetworkManager version 1.30.0. Users should upgrade to this version or later to mitigate the issue. Red Hat has released security updates through RHSA-2021:1574 to address this vulnerability in affected products (Red Hat).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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