SB2025091983 - Out-of-bounds read in Linux kernel ntfs3
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091983
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) Out-of-bounds read (CVE-ID: CVE-2023-53420)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the ntfs_list_ea() function in fs/ntfs3/xattr.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/3c675ddffb17a8b1e32efad5c983254af18b12c2
- https://git.kernel.org/stable/c/721b75ea2dfce53a8890dff92ae01afca8e74f88
- https://git.kernel.org/stable/c/c86a2517df6c9304db8fb12b77136ec7a5d85994
- https://git.kernel.org/stable/c/f3380d895e28a32632eb3609f5bd515adee4e5a1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.121