VULNERABILITY INTELLIGENCE

CVE-2023-4693

CVSS score5.3 MEDIUM
EPSS probability0.49%
CISA KEVNot currently listed
Published2023-10-25
Last modified2026-07-21
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

Description

An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.

Weakness classification

  • secalert@redhat.com: CWE-125
  • nvd@nist.gov: CWE-125

Primary references