#VU93169 Buffer overflow in Linux kernel - CVE-2023-52778
Published: June 24, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93169
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-2023-52778
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 mptcp_update_infinite_map() and mptcp_sendmsg_frag() functions in net/mptcp/protocol.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/70ff9b65a72885b3a2dfde6709da1f19b85fa696
- https://git.kernel.org/stable/c/342b528c0e849bed9def76dadaa470d3af678e94
- https://git.kernel.org/stable/c/57ced2eb77343a91d28f4a73675b05fe7b555def
- https://git.kernel.org/stable/c/9fce92f050f448a0d1ddd9083ef967d9930f1e52
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7