The vulnerability of the io_file_get_fixed() function in the io_uring module of the Linux operating system’s kernel allows a attacker to increase their privileges.

The vulnerability of the iofilegetfixed function in the iouring module of the Linux operating system’s kernel is related to the reutilization of previously freed memory. Exploiting this vulnerability can allow an attacker to increase their privileges...

Linux kernel elevation of privilege vulnerability (CNVD-2023-34461)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from an elevation of privilege vulnerability that stems from the lack of ctx-uringlock in the iofilegetfixed function, which could lead to a local elevatio...

SUSE CVE-2023-1872

A use-after-free vulnerability in the Linux Kernel iouring system can be exploited to achieve local privilege escalation. The iofilegetfixed function lacks the presence of ctx-uringlock which can lead to a Use-After-Free vulnerability due a race condition with fixed files getting unregistered. We...