CVE-2026-45995

Published: Mag 27, 2026 Last Modified: Mag 27, 2026

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In the Linux kernel, the following vulnerability has been resolved:

io_uring/zcrx: fix user_struct uaf

io_free_rbuf_ring() usees a struct user_struct, which
io_zcrx_ifq_free() puts it down before destroying the ring.

https://git.kernel.org/stable/c/0fcccfd87152f957fa8312b841f6efef42a05a20

https://git.kernel.org/stable/c/9feb88eeda6d288f93fcfb6bca563f89e316479d