Memory Leak in cgroup: Fix memory leak caused by missing cgroup_bpf_offline
Summary
UVI-2021-1002064: cgroup: Fix memory leak caused by missing cgroup_bpf_offline. Affects Kernel versions >= 2b0d3d3e4fcfb19d10f9a82910b8f0f05c56ee3e, < 01599bf7cc2b49c3d2be886cb438647dc25446ed. No fix is published. How to fix ↓
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Background
The cgroup package is a part of the Linux Kernel ecosystem and is responsible for managing and organizing groups of processes. It provides resource isolation and control, allowing administrators to allocate resources such as CPU, memory, and disk I/O to specific groups of processes. The cgroup package is an essential component of the Linux Kernel and is widely used in various Linux distributions.
Vulnerability Detail
The vulnerability identified as UVI-2021-1002064 in the cgroup package is a memory leak caused by the absence of cgroup_bpf_offline. This vulnerability can lead to a gradual depletion of memory resources, potentially resulting in system instability or denial of service. The issue was introduced in version v5.10 of the Linux Kernel and has been fixed in version v5.10.77.
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 leak vulnerability in the cgroup package can have serious consequences for system stability and availability. It is crucial to update the Linux Kernel to version v5.10.77 or later to mitigate this vulnerability. For further support and assistance with vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can result in a memory leak, leading to potential 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 UVI-2021-1002064.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to promptly apply the fix to mitigate any potential risks.
No, only versions starting from v5.10 of the Linux Kernel are affected. The vulnerability has been fixed in version v5.10.77.
While it is technically possible to manually patch the cgroup package, it is recommended to update the Linux Kernel to the fixed version instead. Manually patching the package may introduce other issues or compatibility problems.
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