#VU115882 Use-after-free in Linux kernel - CVE-2023-53432
Published: September 19, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115882
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-2023-53432
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 fwnet_finish_incoming_packet() function in drivers/firewire/net.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/2ea70379e4f4efa95c9daa7f3f9bdd4d40aec927
- https://git.kernel.org/stable/c/3ff256751a2853e1ffaa36958ff933ccc98c6cb5
- https://git.kernel.org/stable/c/9040adc38cf6bfbb77034d558ac2c52f70d840ac
- https://git.kernel.org/stable/c/9860921ab4521252dc39bb21b9c936bd09a00982
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12