#VU119699 Use-after-free in Linux kernel - CVE-2023-53828
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119699
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-2023-53828
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 hci_add_adv_monitor() function in net/bluetooth/hci_core.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/81d8e9f59df63b8358751c1ffed9f1cf5c796909
- https://git.kernel.org/stable/c/8d66f7ced51cb924bc90278d6a0a26a52877271a
- https://git.kernel.org/stable/c/a2bcd2b63271a93a695fabbfbf459c603d956d48
- https://git.kernel.org/stable/c/aafda69d4807f5edf3558c9534be9b911774e63a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.16