SB20260528144 - Heap-based buffer overflow in Linux kernel ntfs3
Published: May 28, 2026
Security Bulletin ID
SB20260528144
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2026-45935)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a heap-based buffer overflow in DeleteIndexEntryRoot in the ntfs3 filesystem code when processing a crafted log record. A local user can supply a maliciously large entry size value to trigger memory corruption and cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/36c03f7f177b34d51f1cf1d2304b1074607bf4b0
- https://git.kernel.org/stable/c/78942172d5bff4d4afed8674abc09cc560ce44a0
- https://git.kernel.org/stable/c/a584b9d1059b29e97e17c919274e9adfb846f2a0
- https://git.kernel.org/stable/c/b271c9cb85927210b1b799e55ee7f702d12b4336
- https://git.kernel.org/stable/c/b2bc7c44ed1779fc9eaab9a186db0f0d01439622
- https://git.kernel.org/stable/c/c065541b71b79874c83d418a9acd18ad5826339b
- https://git.kernel.org/stable/c/f3b437a4c3e022a1449658ae9f3dd34859894513