#VU116513 Use-after-free in Linux kernel - CVE-2023-53556
Published: October 4, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116513
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-2023-53556
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 iavf_alloc_q_vectors() function in drivers/net/ethernet/intel/iavf/iavf_main.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/17046107ca15d7571551539d94e76aba2bf71fd3
- https://git.kernel.org/stable/c/345c44e18cc10cded85cb9134830e1684495c866
- https://git.kernel.org/stable/c/5f4fa1672d98fe99d2297b03add35346f1685d6b
- https://git.kernel.org/stable/c/8d781a9c53034813c3194b7d94409c7d24ac73eb
- https://git.kernel.org/stable/c/a4635f190f332304db4a49e827ece790b804b5db
- https://git.kernel.org/stable/c/ca12b98e04b5d1902ac08fe826d3500cb4b6e891
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.42