SB2025100475 - Use-after-free in Linux kernel ntfs3
Published: October 4, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100475
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-50507)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ntfs_read_mft() function in fs/ntfs3/inode.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6db620863f8528ed9a9aa5ad323b26554a17881d
- https://git.kernel.org/stable/c/9173b89c16a603d73c434b695fe2a7a13491300f
- https://git.kernel.org/stable/c/de5e0955248ff90a2ae91e7f5c108392b52152d0
- https://git.kernel.org/stable/c/e0455361d3068066a91fe18282b751925d7b5ee7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.17