SB2026092515 - Out-of-bounds read in Linux kernel ntfs3
Published: September 25, 2026
Security Bulletin ID
SB2026092515
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-97438)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.