vulnerability
Ubuntu: USN-6410-1 (CVE-2023-4693): GRUB2 vulnerabilities
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
5 | (AV:L/AC:L/Au:N/C:C/I:N/A:N) | Oct 4, 2023 | Oct 6, 2023 | Jan 30, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:C/I:N/A:N)
Published
Oct 4, 2023
Added
Oct 6, 2023
Modified
Jan 30, 2025
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.
Solution(s)
ubuntu-upgrade-grub-efi-amd64ubuntu-upgrade-grub-efi-amd64-binubuntu-upgrade-grub-efi-amd64-signedubuntu-upgrade-grub-efi-arm64ubuntu-upgrade-grub-efi-arm64-binubuntu-upgrade-grub-efi-arm64-signed

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