#VU116586 Buffer overflow in Linux kernel - CVE-2023-53577
Published: October 5, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116586
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-2023-53577
CWE-ID: CWE-119
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 memory corruption within the put_cpu_map_entry(), cpu_map_kthread_stop(), cpu_map_bpf_prog_run() and __cpu_map_entry_alloc() functions in kernel/bpf/cpumap.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/640a604585aa30f93e39b17d4d6ba69fcb1e66c9
- https://git.kernel.org/stable/c/7a1178a3671b40746830d355836b72e47ceb2490
- https://git.kernel.org/stable/c/b44d28b98f185d2f2348aa3c3636838c316f889e
- https://git.kernel.org/stable/c/ecb45b852af5e88257020b88bea5ff0798d72aca
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.10