Vulnerability in cifs package: Bad output lengths in smb2_ioctl_query_info()
Summary
GSD-2022-1002130: cifs: prevent bad output lengths in smb2_ioctl_query_info(). Affects Kernel versions < 9963ccea6087268e1275b992dca5d0dd4b938765. 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 implements various functions and operations related to CIFS, including the smb2_ioctl_query_info() function. This vulnerability specifically affects the smb2_ioctl_query_info() function within the cifs package.
Vulnerability Detail
The smb2_ioctl_query_info() function in the cifs package is susceptible to bad output lengths, which can lead to potential security vulnerabilities. This vulnerability allows an attacker to manipulate the output length parameter, potentially causing buffer overflows or other memory-related issues. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been addressed in the Linux Kernel version v5.10.110 by commit 9963ccea6087268e1275b992dca5d0dd4b938765.
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. The recommended approach is to apply the fix by updating the cifs package to the fixed version.
Conclusion
In conclusion, the cifs package in the Linux Kernel is vulnerable to bad output lengths in the smb2_ioctl_query_info() function. This vulnerability can potentially lead to security issues. It is crucial to update the cifs package to the fixed version, v5.10.110 or later, to mitigate this vulnerability. For further support on vulnerability remediation, please contact 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, allowing Linux systems to access files and resources on remote Windows servers.
The smb2_ioctl_query_info() function is a specific function within the cifs package that is used to query information from remote Windows servers using the CIFS protocol.
The impact of this vulnerability is not yet proven. However, it has the potential to lead to security issues such as buffer overflows or memory-related problems.
To fix this vulnerability, it is recommended to update the cifs package to the fixed version, which is v5.10.110 or later. This can be done by updating the Linux Kernel to the corresponding version that includes the commit 9963ccea6087268e1275b992dca5d0dd4b938765.
No specific workaround is mentioned for this vulnerability. The recommended approach is to apply the fix by updating the cifs package to the fixed version.
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