Memory leak in Linux kernel - CVE-2023-52735
Published: June 10, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91621
CSH Severity: 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-2023-52735
CWE-ID: CWE-401
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 leak within the sock_map_unhash(), sock_map_destroy() and sock_map_close() functions in net/core/sock_map.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/f312367f5246e04df564d341044286e9e37a97ba
- https://git.kernel.org/stable/c/7499859881488da97589f3c79cc66fa75748ad49
- https://git.kernel.org/stable/c/5b4a79ba65a1ab479903fff2e604865d229b70a9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2