#VU90260 Use-after-free in Linux kernel - CVE-2023-52468
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90260
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-2023-52468
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 class_register() function in drivers/base/class.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/b57196a5ec5e4c0ffecde8348b085b778c7dce04
- https://git.kernel.org/stable/c/0f1486dafca3398c4c46b9f6e6452fa27e73b559
- https://git.kernel.org/stable/c/93ec4a3b76404bce01bd5c9032bef5df6feb1d62
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8