Memory leaks in perf report
Summary
GSD-2021-1002560: perf report: Fix memory leaks around perf_tip(). Affects Kernel versions < 71e284dcebecb9fd204ff11097469cc547723ad1. No fix is published. How to fix ↓
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Background
The Kernel package is an essential component of the Linux operating system. It provides the core functionality and acts as an interface between the hardware and software layers. The perf report tool is part of the Kernel package and is used for performance analysis and profiling. It collects and analyzes performance data to identify bottlenecks and optimize system performance.
Vulnerability Detail
The perf report tool has been found to have memory leaks related to the perf_tip() function. Memory leaks occur when allocated memory is not properly released, leading to a gradual depletion of available memory. This vulnerability can result in increased memory usage over time, potentially causing system instability or denial of service. The issue has been addressed in the Linux Kernel version v5.15.7 by commit 71e284dcebecb9fd204ff11097469cc547723ad1.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The memory leaks in perf report can be a potential security risk, leading to increased memory usage and system instability. It is crucial to update the Linux Kernel package to version v5.15.7 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The memory leaks in perf report can lead to increased memory usage, potentially causing system instability or denial of service.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for any open-source vulnerabilities, including this one.
Yes, the vulnerability has been fixed in the Linux Kernel version v5.15.7. It is recommended to update to this version or a later one to mitigate the issue.
There are no known exploits for this vulnerability at the moment. However, it is important to apply the fix as soon as possible to prevent any potential attacks.
You can refer to the vulnerability details in the Open Source Vulnerability format at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002560.json for more information.
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