#VU120276 Memory leak in Linux kernel - CVE-2023-54153
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120276
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2023-54153
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __ext4_fill_super() function in fs/ext4/super.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/77c3ca1108eb4a26db4f256c42b271a430cebc7d
- https://git.kernel.org/stable/c/c327b83c59ee938792a0300df646efac39c7d6a7
- https://git.kernel.org/stable/c/d13f99632748462c32fc95d729f5e754bab06064
- https://git.kernel.org/stable/c/deef86fa3005cbb61ae8aa5729324c09b3f4ba73
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.40