Double Free Race Vulnerability in cifs Package
Summary
GSD-2022-1000717: cifs: fix double free race when mount fails in cifs_get_root(). Affects Kernel versions < 563431c1f3c8f2230e4a9c445fa23758742bc4f0. No fix is published. How to fix ↓
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Background
The cifs package is a component of the Linux Kernel ecosystem. It provides support for the Common Internet File System (CIFS) protocol, allowing Linux systems to access files and resources on remote Windows servers. The package enables file sharing and network browsing functionalities. However, a vulnerability has been discovered in the cifs package that can lead to a double free race condition when a mount operation fails in the cifs_get_root() function.
Vulnerability Detail
The double free race vulnerability in the cifs package occurs when a mount operation fails in the cifs_get_root() function. This vulnerability can be exploited by an attacker to cause a race condition, leading to a double free of a memory object. If successfully exploited, this vulnerability could result in a system crash or potentially allow an attacker to execute arbitrary code with elevated privileges. The impact and attack plausibility of this vulnerability have not yet been proven.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability.
Conclusion
The double free race vulnerability in the cifs package can potentially lead to system crashes or arbitrary code execution. It is crucial to update the Linux Kernel to version v5.16.13 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 cifs package is a component of the Linux Kernel ecosystem that provides support for the Common Internet File System (CIFS) protocol, enabling Linux systems to access files and resources on remote Windows servers.
The impact of this vulnerability is not yet proven. However, if successfully exploited, it could result in a system crash or allow an attacker to execute arbitrary code with elevated privileges.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.16.13 or later, which includes the necessary fix for the double free race condition in cifs_get_root().
No workaround has been provided for this vulnerability.
For more information about this vulnerability, you can refer to the source link provided in the database_specific section of the vulnerability details.
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