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Vulnerability DatabaseCVE-2023-52687
CVE-2023-52687:
Linux Kernel vulnerability analysis and mitigation
Overview
A vulnerability identified as CVE-2023-52687 was discovered in the Linux kernel's Safexcel cryptographic driver. The issue stems from inadequate error handling for dmamapsg() calls, which could potentially lead to system instability (Red Hat Portal, NVD).
Technical details
The vulnerability specifically relates to the failure in handling errors during macro operations and the improper management of previously mapped buffers with dmaunmapsg(). This issue was identified in the Linux kernel's implementation (NVD).
Mitigation and workarounds
The issue has been addressed through a patch that implements additional checks for macro failures and ensures proper unmapping of previously mapped buffers using dmaunmapsg(). Various Linux distributions have incorporated these fixes into their security updates (Ubuntu Security).
Additional resources
Source: This report was generated using AI
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