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CVE-2024-53187

Description

In the Linux kernel, the following vulnerability has been resolved:io_uring: check for overflows in io_pin_pagesWARNING: CPU: 0 PID: 5834 at io_uring/memmap.c:144 io_pin_pages+0x149/0x180 io_uring/memmap.c:144CPU: 0 UID: 0 PID: 5834 Comm: syz-executor825 Not tainted 6.12.0-next-20241118-syzkaller #0Call Trace: __io_uaddr_map+0xfb/0x2d0 io_uring/memmap.c:183 io_rings_map io_uring/io_uring.c:2611 [inline] io_allocate_scq_urings+0x1c0/0x650 io_uring/io_uring.c:3470 io_uring_create+0x5b5/0xc00 io_uring/io_uring.c:3692 io_uring_setup io_uring/io_uring.c:3781 [inline] ... io_pin_pages()'s uaddr parameter came directly from the user and can begarbage. Don't just add size to it as it can overflow.

POC

Reference

No PoCs from references.

Github

- https://github.com/cku-heise/euvd-api-doc