Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-38117
CVE-2025-38117:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2025-38117 is a vulnerability discovered in the Linux kernel's Bluetooth MGMT subsystem, reported in July 2025. The vulnerability affects the management of the mgmt_pending list in the Bluetooth stack, which lacks proper mutex protection against concurrent access (CVE Database, NVD).
Technical details
The vulnerability stems from a race condition in the Linux kernel's Bluetooth management interface where the mgmtpending list lacks proper synchronization mechanisms. This can lead to a slab-use-after-free condition in the hcisockgetchannel function, specifically in net/bluetooth/hcisock.c line 91. The issue manifests when concurrent access to the mgmtpending list occurs, potentially causing system crashes (NVD).
Impact
When exploited, this vulnerability can cause system crashes due to use-after-free conditions in the Bluetooth subsystem. The impact primarily affects system stability and could potentially lead to denial of service conditions on affected systems (CVE Database).
Mitigation and workarounds
The vulnerability has been resolved by implementing a mutex to protect the mgmt_pending list from concurrent access. The fix has been incorporated into the Linux kernel codebase (NVD).
Additional resources
Source: This report was generated using AI
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