Linux Kernel Vulnerability in io_uring Affects Allocated Memory Management
CVE-2026-23259

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 18 March 2026

What is CVE-2026-23259?

A vulnerability in the Linux kernel's io_uring component can lead to improper handling of memory allocations related to I/O operations. Specifically, if a read/write request encounters a failure during memory cache operations, it may leave allocated memory pointers unaccounted. This situation can potentially lead to memory leaks or resource mismanagement, compromising system stability and performance. Developers should ensure that the recycling of I/O requests is handled correctly to mitigate any risks associated with this vulnerability. Updated versions that address this issue should be prioritized for deployment.

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