#VU93245 Buffer overflow in Linux kernel - CVE-2023-52527
Published: June 25, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93245
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-2023-52527
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 l2tp_ip6_sendmsg() function in net/l2tp/l2tp_ip6.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/7626b9fed53092aa2147978070e610ecb61af844
- https://git.kernel.org/stable/c/559d697c5d072593d22b3e0bd8b8081108aeaf59
- https://git.kernel.org/stable/c/1fc793d68d50dee4782ef2e808913d5dd880bcc6
- https://git.kernel.org/stable/c/96b2e1090397217839fcd6c9b6d8f5d439e705ed
- https://git.kernel.org/stable/c/cd1189956393bf850b2e275e37411855d3bd86bb
- https://git.kernel.org/stable/c/f6a7182179c0ed788e3755ee2ed18c888ddcc33f
- https://git.kernel.org/stable/c/fe80658c08e3001c80c5533cd41abfbb0e0e28fd
- https://git.kernel.org/stable/c/9d4c75800f61e5d75c1659ba201b6c0c7ead3070
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.327
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.296
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.198
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.135
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.258
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.57
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6