Refcount Leak in cleanup_dev() in char: xillybus
Summary
GSD-2022-1002901: char: xillybus: fix a refcount leak in cleanup_dev(). Affects Kernel versions < 21f1f167d727f3f857e26d509ef5a6d47fd31bc3. No fix is published. How to fix ↓
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Background
The char: xillybus package is a component of the Linux Kernel ecosystem. It provides support for Xillybus IP cores, which are used for communication between FPGA and software. The package allows for easy integration of FPGA designs into Linux systems. However, a vulnerability has been discovered in the cleanup_dev() function of char: xillybus, which can lead to a refcount leak.
Vulnerability Detail
The vulnerability in the cleanup_dev() function of char: xillybus can result in a refcount leak. This can potentially lead to resource exhaustion, denial of service, or other security issues. The refcount leak occurs when the cleanup_dev() function fails to properly release resources and decrement the reference count. Attackers may be able to exploit this vulnerability to exhaust resources, disrupt system functionality, or escalate privileges.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The refcount leak vulnerability in the cleanup_dev() function of char: xillybus can have serious security implications. It is crucial to update to the latest version of the Linux Kernel or apply the necessary commit to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
char: xillybus is a package in the Linux Kernel ecosystem that provides support for Xillybus IP cores, facilitating communication between FPGA and software.
The vulnerability can result in a refcount leak, potentially leading to resource exhaustion, denial of service, or other security issues.
Attackers may exploit this vulnerability to exhaust resources, disrupt system functionality, or escalate privileges.
To fix this vulnerability, update to the latest version of the Linux Kernel (v5.17.15) or apply the commit 21f1f167d727f3f857e26d509ef5a6d47fd31bc3.
For more details, refer to the vulnerability report at the provided source link.
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