Use-after-free in Linux kernel - CVE-2023-53194
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115384
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53194
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the indx_get_root() function in fs/ntfs3/index.c. A local user can escalate privileges on the system.
How to mitigate CVE-2023-53194
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/08e8cf5f2d9ec383a2e339a2711b62a54ff3fba0
- https://git.kernel.org/stable/c/0d04e45c65f0785e558b93d2631d58680f263e10
- https://git.kernel.org/stable/c/85afd3007465f8bc74afffbf5b84ec29f5310b03
- https://git.kernel.org/stable/c/eb5b59931d20f3b02076fae49e85282310b12012
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4