SB2024062484 - Buffer overflow in Linux kernel mptcp
Published: June 24, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062484
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-2023-52778)
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.
References
- 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