Linux Kernel Page Array Leak in io_uring
CVE-2026-23263
What is CVE-2026-23263?
A vulnerability in the Linux kernel's io_uring implementation has been identified, concerning a leak of pages that occurs during the initialization failure of a scatter-gather operation. The issue arises from the failure to properly free a page array, leading to resource leaks that could potentially be exploited. This leak was addressed in a recent commit, which corrects the issue by ensuring that the page array is released appropriately, thereby enhancing the overall security and stability of the kernel.
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Affected Version(s)
Linux b84621d96ee0221e0bfbf9f477bbec7a5077c464 < 64cf3016234ce8a6e4195ed1b2d9e2a1ae41b57d
Linux b84621d96ee0221e0bfbf9f477bbec7a5077c464 < 0ae91d8ab70922fb74c22c20bedcb69459579b1c
Linux 6.17