Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2023-52500
CVE-2023-52500:
Linux Kernel vulnerability analysis and mitigation
Overview
CVE-2023-52500 affects the Linux kernel's SCSI subsystem, specifically in the pm80xx driver. The vulnerability was discovered in September 2023 and involves a memory leak issue when processing the OPCINBSETCONTROLLERCONFIG command (Kernel Commit).
Technical details
The vulnerability stems from a failure to free allocated tags when processing the OPCINBSETCONTROLLERCONFIG command in the pm80xx driver. The issue occurs in the mpisetcontrollerconfigresp function where tags allocated for the command were not being properly freed upon receiving the response (Kernel Commit).
Impact
The vulnerability results in a memory leak in the Linux kernel's SCSI subsystem, which could potentially lead to resource exhaustion over time (NVD).
Mitigation and workarounds
The issue has been resolved through a patch that properly frees the tags when processing the response from the OPCINBSETCONTROLLERCONFIG command. The fix involves adding a call to pm8001tagfree() with the appropriate tag value (Kernel Commit).
Additional resources
Source: This report was generated using AI
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