Linux Kernel Page Array Leak Vulnerability in io_uring Component

A vulnerability in the Linux kernel's io_uring component for zero-copy receive operations has been addressed. The issue involved a memory leak where pages were not properly freed after a failure in initializing scatter-gather (sg) data. This leak occurred in versions of the Linux kernel prior to the fix.

Impact

The vulnerability could lead to a memory leak, causing increased memory usage and potential exhaustion of available memory resources.

Remediation

Users can upgrade to the latest version of the Linux kernel to address this vulnerability. The specific commit that resolves the issue is available in the Linux kernel stable tree.