CVE-2026-43223
MediumSummary
A vulnerability related to URB leak in the pvr2_send_request_ex function has been fixed in the Linux kernel. The issue occurs when the function successfully submits a write URB but fails to submit the read URB, leading to an immediate return without waiting for the write URB to complete.
Risk Assessment
This vulnerability may lead to memory leaks, which can affect system stability and the performance of applications relying on this component in the long run.
Recommendation
It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability and to monitor the system for potential memory issues.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix URB leak in pvr2_send_request_ex When pvr2_send_request_ex() submits a write URB successfully but fails to submit the read URB (e.g. returns -ENOMEM), it returns immediately without waiting for the write URB to