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medium5.3

CVE-2023-4693

An out-of-bounds read flaw was found on grub2's NTFS filesystem driver.

Impact

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.

Affected products

VendorProductAffected versions
GnuGrub2
before 2.12
RedhatEnterprise Linux
Versions 8.0, 9.0

Weakness classification

CWE-125

References