#VU120389 Use-after-free in Linux kernel - CVE-2023-54083
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120389
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-2023-54083
CWE-ID: CWE-416
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 a use-after-free error within the tegra_xusb_port_unregister() function in drivers/phy/tegra/xusb.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/238edc04ddb9d272b38f5419bcd419ad3b92b91b
- https://git.kernel.org/stable/c/82187460347ad58fd6b06d2883da73c3f2df9631
- https://git.kernel.org/stable/c/b6a107c52073496d2e5d2837915f59fb3103832f
- https://git.kernel.org/stable/c/b84998a407a882991916b1a61d987c400d8a0ce6
- https://git.kernel.org/stable/c/c0c2fcb1325d0d4f3b322b5ee49385f8eca2560d
- 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/v6.x/ChangeLog-6.1.39
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5