#VU116776 NULL pointer dereference in Linux kernel - CVE-2023-53657
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116776
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53657
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ice_eswitch_port_start_xmit() function in drivers/net/ethernet/intel/ice/ice_eswitch.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/5760a72b3060150b587eff3e879648c7470efddd
- https://git.kernel.org/stable/c/63ff5a94649837d980e3b9ef535c793ec8cb0ca7
- https://git.kernel.org/stable/c/7aa529a69e92b9aff585e569d5003f7c15d8d60b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.55
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6