SB20251226205 - NULL pointer dereference in Linux kernel ntfs3
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226205
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 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2022-50739)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ntfs_fill_super() function in fs/ntfs3/super.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9f24743ddcdd3683b0a6b16e1439ad091dc3489b
- https://git.kernel.org/stable/c/a7b23037b38b577d9a4372e0c6b7c9fe808070c1
- https://git.kernel.org/stable/c/c1ca8ef0262b25493631ecbd9cb8c9893e1481a1
- https://git.kernel.org/stable/c/f62506f5e45afbb01c84c3f28a2878b320a0b0f7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.87