Vulnerability Database

310,472

Total vulnerabilities in the database

CVE-2023-21400

In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.

  • Published: Jul 13, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-21400
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.7
  • AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWEs: