Refcount Leak in ata: pata_octeon_cf
Summary
GSD-2022-1003850: ata: pata_octeon_cf: Fix refcount leak in octeon_cf_probe. Affects Kernel versions >= 43f01da0f2794b464ade2ffe1f780c69d7ce7b75, < 8d8ad067b90f231b8fdb14acee673ca4012f6045. No fix is published. How to fix ↓
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Background
The ata: pata_octeon_cf package is a component of the Linux Kernel, which is responsible for handling communication with CompactFlash (CF) devices using the Octeon platform. It provides support for the pata_octeon_cf driver, allowing CF devices to be connected and accessed by the system. This vulnerability affects versions of the Linux Kernel from v3.8 to v4.19.246.
Vulnerability Detail
The vulnerability in ata: pata_octeon_cf is a refcount leak issue that occurs during the octeon_cf_probe function. This function is responsible for initializing and probing the Octeon CF driver. However, due to a coding error, a reference count is not properly decremented in certain error paths, leading to a refcount leak. An attacker could potentially exploit this vulnerability to exhaust system resources, resulting in a denial-of-service condition. It is important to note that the impact and attack plausibility of this vulnerability have not been proven.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
In conclusion, the ata: pata_octeon_cf package in the Linux Kernel is vulnerable to a refcount leak issue. This vulnerability can potentially lead to a denial-of-service condition. Users are advised to update their Linux Kernel to the latest version to mitigate the risk. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, it could potentially lead to a denial-of-service condition by exhausting system resources.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it in real-time.
No known exploits for this vulnerability have been reported at this time.
No CVE has been assigned to this vulnerability as of now.
You can find more information about this vulnerability in the Open Source Vulnerability database maintained by the Cloud Security Alliance. The specific vulnerability ID is GSD-2022-1003850.
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