CVE-2023-52445
CVSS 3.1 Score 7.8 of 10 (high)
Details
Published Feb 22, 2024
Updated: Jun 27, 2024
CWE ID 416
Summary
CVE-2023-52445 is a vulnerability affecting the Linux kernel's media driver, specifically the pvrusb2 module. The issue involves a use-after-free condition where a kthread is created during module load, and the context object is freed before the usb hub_event handler can notify the driver. This leads to an invalid read reported by syzbot within the context disconnection call stack. The vulnerability has been addressed by adding a sanity check to prevent the invalid read.
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