Division by zero in Linux kernel - CVE-2024-53123
Published: December 3, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU101112
CSH Severity: Low
CVSS v4.0: 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-2024-53123
CWE-ID: CWE-369
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a division by zero error within the mptcp_recvmsg() and pr_debug() functions in net/mptcp/protocol.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2024-53123
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/581302298524e9d77c4c44ff5156a6cd112227ae
- https://git.kernel.org/stable/c/955388e1d5d222c4101c596b536d41b91a8b212e
- https://git.kernel.org/stable/c/a66805c9b22caf4e42af7a616f6c6b83c90d1010
- https://git.kernel.org/stable/c/a749b23059b43a9b1787eb36c5d9d44150a34238
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.119