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Vulnerability DatabaseCVE-2022-50038
CVE-2022-50038:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2022-50038 is a vulnerability discovered in the Linux kernel, specifically affecting the drm/meson component. The vulnerability was published on June 18, 2025, and involves refcount bugs in the mesonvpuhasavailableconnectors() function (NVD).
Technical details
The vulnerability consists of two distinct refcount leak bugs in the mesonvpuhasavailableconnectors() function: (1) when breaking out of foreachendpointofnode(), there is a failure to call ofnodeput() for the 'ep', and (2) there is a failure to call ofnodeput() for the reference returned by ofgraphgetremoteport() when it is no longer needed (NVD, Ubuntu).
Impact
The vulnerability affects various Linux distributions including Ubuntu versions 16.04, 18.04, 20.04, and 22.04 LTS. Multiple kernel variants are impacted, including linux-azure, linux-aws, linux-gcp, and linux-kvm (Ubuntu).
Mitigation and workarounds
Fixes have been released for multiple affected versions. Ubuntu 20.04 LTS has been fixed in version 5.4.0-132.148, Ubuntu 18.04 LTS in version 4.15.0-197.208. Various kernel variants have also received patches, including linux-aws (5.4.0-1089.97), linux-azure (5.4.0-1095.101), and linux-kvm (5.4.0-1079.85) (Ubuntu).
Additional resources
Source: This report was generated using AI
Related Linux Kernel vulnerabilities:
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