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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3605-1 | grub2 security update |
Debian DSA |
DSA-5519-1 | grub2 security update |
EUVD |
EUVD-2023-54544 | 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. |
Ubuntu USN |
USN-6410-1 | GRUB2 vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 04 Nov 2025 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Fri, 22 Nov 2024 12:00:00 +0000
Mon, 16 Sep 2024 16:30:00 +0000
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2025-11-07T00:31:03.030Z
Reserved: 2023-08-31T21:53:46.147Z
Link: CVE-2023-4693
No data.
Status : Modified
Published: 2023-10-25T18:17:41.817
Modified: 2025-11-04T20:17:11.517
Link: CVE-2023-4693
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN