Vulnerability in Kernel package: ipc/mqueue, msg, sem
Summary
GSD-2021-1000491: ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry. Affects Kernel versions >= c5b2cbdbdac563f46ecd5e187253ab1abbd6fc04, < 807fa14536b26803b858da878b643be72952a097. 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 Kernel package is a fundamental component of the Linux operating system. It provides the core functionality and interfaces for various system operations. The ipc/mqueue, msg, and sem modules within the Kernel package handle inter-process communication, message queues, and semaphores respectively. These modules are crucial for coordinating processes and ensuring synchronization. However, a vulnerability has been identified in these modules that could potentially be exploited by attackers.
Vulnerability Detail
The vulnerability in ipc/mqueue, msg, sem modules arises from relying on a stack reference past its expiry. This can lead to memory corruption or other security issues. Although the actual impact and attack plausibility have not been proven, it is essential to address this vulnerability to prevent potential exploitation. The vulnerability was introduced in version v5.6 of the Linux Kernel and has been fixed in version v5.12.7.
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 provided for this vulnerability.
Conclusion
In conclusion, the Kernel package in Linux is vulnerable to a stack reference expiry issue in the ipc/mqueue, msg, and sem modules. It is crucial to update the Kernel package to version v5.12.7 or later to mitigate this vulnerability. Regularly updating the Kernel package is essential for maintaining the security of the system. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The actual impact of this vulnerability is yet to be proven. However, if exploited, it could lead to memory corruption or other security issues.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file, such as package-lock.json, and Vulert will analyze it in real-time.
At the time of this report, there is no known exploit for this vulnerability. However, it is still important to address it by updating the Kernel package.
This vulnerability specifically affects the Kernel package in Linux. No other dependencies or packages have been identified as being impacted.
You can find more information about this vulnerability in the GSD-2021-1000491 JSON report available at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000491.json
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
