CVE-2026-43174

MEDIUM EPSS 1.6%
Published May 6, 20261mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published May 6, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix post open error handling Closing a queue doesn't guarantee that all associated page pools are terminated right away, let the refcounting do the work instead of releasing the zcrx ctx directly.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
1.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 1

VendorProductVersionRange
linuxlinux_kernel*≥6.15  –  <6.19.6

References 2

  • git.kernel.org https://git.kernel.org/stable/c/18afaff077b46655a8eb6fd7f6de1b81327be577
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5d540e4508950c674d6feef1d95463d039bbf4f5
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/18afaff077b46655a8eb6fd7f6de1b81327be577
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5d540e4508950c674d6feef1d95463d039bbf4f5
    Patch