CVE-2026-45995

HIGH EPSS 2.2%
Published May 27, 20261mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published May 27, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
2.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 1

VendorProductVersionRange
linuxlinux_kernel*≥6.19  –  <7.0.4

References 2

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

Remediation

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