CVE-2023-4693 (GCVE-0-2023-4693)

Vulnerability from cvelistv5 – Published: 2023-10-25 10:27 – Updated: 2025-11-07 00:31
VLAI?
Title
Grub2: out-of-bounds read at fs/ntfs.c
Summary
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.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 1:2.02-156.el8 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
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    Red Hat Red Hat Enterprise Linux 9 Unaffected: 1:2.06-77.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
    Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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