CVE-2023-54063
kernel: Linux kernel: Out-of-bounds read in NTFS3 filesystem driver
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 24, 2025
Updated · August 20, 2026
Description
A flaw was found in the Linux kernel's NTFS3 filesystem driver. A local attacker could exploit an out-of-bounds read vulnerability in the indx_insert_into_buffer function. This occurs when an incorrect index value leads to reading beyond allocated memory during a memmove operation. Successful exploitation could result in information disclosure, data corruption, or a denial of service (DoS) on the system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-125 · Out-of-bounds Read