SB2024061331 - Improper locking in Linux kernel phonet
Published: June 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061331
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) Improper locking (CVE-ID: CVE-2024-27402)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the pep_sock_enable() and pep_ioctl() functions in net/phonet/pep.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/9d5523e065b568e79dfaa2ea1085a5bcf74baf78
- https://git.kernel.org/stable/c/0a9f558c72c47472c38c05fcb72c70abb9104277
- https://git.kernel.org/stable/c/8ef4fcc7014b9f93619851d6b78d6cc2789a4c88
- https://git.kernel.org/stable/c/7d2a894d7f487dcb894df023e9d3014cf5b93fe5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.181
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8