SB2024112044 - Improper locking in Linux kernel ipv4
Published: November 20, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024112044
CSH 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 vulnerability.
1) Improper locking (CVE-ID: CVE-2024-50304)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: 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
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ip_tunnel_find() function in net/ipv4/ip_tunnel.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/f20fe2cfe06ca1b008b09da4f2b4e0c5547ccef6
- https://git.kernel.org/stable/c/90e0569dd3d32f4f4d2ca691d3fa5a8a14a13c12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.234
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.178
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.128
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.75