Data-races in ip package: Fix for sysctl_ip_fwd_use_pmtu vulnerability
Summary
GSD-2022-1004542: ip: Fix data-races around sysctl_ip_fwd_use_pmtu. Affects Kernel versions >= f87c10a8aa1e82498c42d0335524d6ae7cf5a52b, < b96ed5ccb09ae71103023ed13acefb194f609794. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The ip package is a component of the Linux Kernel, which is responsible for handling IP (Internet Protocol) networking. It provides functionalities related to routing, forwarding, and other IP-related operations. The sysctl_ip_fwd_use_pmtu vulnerability in the ip package refers to a data-race issue that can occur around the sysctl_ip_fwd_use_pmtu parameter. Data-races can lead to unexpected behavior and potential security vulnerabilities.
Vulnerability Detail
The sysctl_ip_fwd_use_pmtu vulnerability in the ip package is caused by data-races, which occur when multiple threads or processes access shared data concurrently without proper synchronization. In this case, the vulnerability arises due to inadequate synchronization around the sysctl_ip_fwd_use_pmtu parameter. The exact impact and attack plausibility of this vulnerability have not been proven yet. However, data-races can potentially lead to various security risks, including information disclosure, privilege escalation, or denial of service attacks. It is crucial to address this vulnerability to ensure the stability and security of the Linux Kernel.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
No specific workaround has been mentioned for this vulnerability. However, it is highly recommended to apply the fix by updating the Linux Kernel to the latest version as mentioned in the 'how_to_fix' section.
Conclusion
The sysctl_ip_fwd_use_pmtu vulnerability in the ip package of the Linux Kernel can lead to potential security risks due to data-races. It is crucial to update the Linux Kernel to version v5.10.134 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The ip package is a component of the Linux Kernel that handles IP networking operations, including routing and forwarding.
A data-race vulnerability occurs when multiple threads or processes access shared data concurrently without proper synchronization, leading to unexpected behavior and potential security risks.
The sysctl_ip_fwd_use_pmtu vulnerability can potentially result in security risks such as information disclosure, privilege escalation, or denial of service attacks.
To fix the sysctl_ip_fwd_use_pmtu vulnerability, it is recommended to update the Linux Kernel to version v5.10.134 or later.
For more information about updating the Linux Kernel, it is advisable to refer to the official documentation and guidelines provided by the Linux Kernel development team.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
