VULNERABILITY INTELLIGENCE

CVE-2023-21400

CVSS score6.7 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2023-07-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • nvd@nist.gov: CWE-667

Primary references