CVE-2026-45995

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.

Score

CVSS 3.1 7.8 High

Status

Analyzed - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-05-27

Last modified

2026-06-14

Weaknesses

CWE-416

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/0fcccfd87152f957fa8312b841f6efef42a05a20
• https://git.kernel.org/stable/c/9feb88eeda6d288f93fcfb6bca563f89e316479d