Out-of-bounds read in Linux kernel - CVE-2026-97438
Published: September 25, 2026
Vulnerability identifier: #VU152039
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97438
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a slab out-of-bounds read.
The vulnerability exists due to an out-of-bounds read in the NTFS3 index entry processing when processing a malformed NTFS directory index entry during directory lookup. A local user can trigger directory lookup on an entry whose key_size exceeds the bytes available in its NTFS_DE payload to cause a slab out-of-bounds read.
Affected software
Linux kernel
How to mitigate CVE-2026-97438
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3