VULNERABILITY INTELLIGENCE

CVE-2023-2612

CVSS score4.4 MEDIUM
EPSS probability0.28%
CISA KEVNot currently listed
Published2023-05-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Description

Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).

Weakness classification

  • security@ubuntu.com: CWE-667
  • nvd@nist.gov: CWE-667

Primary references