CVE-2026-89615
kernel: fs/ntfs3: bound page_lcns[] index by the log record
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 11, 2026
Updated · September 29, 2026
Description
A flaw was found in the Linux kernel's NTFS3 file system driver. A local attacker could exploit this by providing a specially crafted log record. This crafted record causes a buffer overflow in the page_lcns[] array, leading to memory corruption within an otherwise valid entry.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-787 · Out-of-bounds Write