SB2024062529 - Buffer overflow in Linux kernel l2tp
Published: June 25, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062529
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2023-52527)
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.
References
- 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