#VU120837 Buffer overflow in Linux kernel - CVE-2023-54309
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120837
Vulnerability risk: Low
CVSSv4.0: 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-2023-54309
CWE-ID: CWE-119
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 escalate privileges on the system.
The vulnerability exists due to memory corruption within the function in drivers/char/tpm/tpm_vtpm_proxy.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/04e8697d26613ccea760cf57eb20a5a27f788c0f
- https://git.kernel.org/stable/c/092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51
- https://git.kernel.org/stable/c/509d21f1c4bb9d35d397fca3226165b156a7639f
- https://git.kernel.org/stable/c/86b9820395f226b8f33cbae9599deebf8af1ce72
- https://git.kernel.org/stable/c/99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604
- https://git.kernel.org/stable/c/9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815b
- https://git.kernel.org/stable/c/e08295290c53a3cf174c236721747a01b9550ae2
- https://git.kernel.org/stable/c/f4032d615f90970d6c3ac1d9c0bce3351eb4445c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.322
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.188
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.121
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.251
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.40
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5