Refcount Leak in ARM cns3xxx_init
Summary
GSD-2022-1004615: ARM: cns3xxx: Fix refcount leak in cns3xxx_init. Affects Kernel versions >= 415f59142d9d9dd023deaeb3b4dfc1aecdd3983c, < c980392af1473d6d5662f70d8089c8e6d85144a4. No fix is published. How to fix ↓
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Background
The cns3xxx_init function in the ARM cns3xxx driver in the Linux Kernel is responsible for initializing the cns3xxx platform. The cns3xxx platform is used in various ARM-based systems. This vulnerability in cns3xxx_init leads to a refcount leak, which can result in resource exhaustion and potential denial-of-service attacks.
Vulnerability Detail
The refcount leak vulnerability in cns3xxx_init occurs due to a failure to properly release resources when initializing the cns3xxx platform. This can lead to a gradual depletion of resources, potentially resulting in system instability or crashes. An attacker may be able to exploit this vulnerability to exhaust resources and cause a denial-of-service condition.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is recommended to apply the fix by updating the Linux Kernel.
Conclusion
The refcount leak vulnerability in cns3xxx_init can lead to resource exhaustion and potential denial-of-service attacks. It is crucial to update the Linux Kernel to version v5.10.127 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can lead to resource exhaustion and potential denial-of-service attacks. It may result in system instability or crashes.
An attacker can exploit this vulnerability by triggering the refcount leak in cns3xxx_init, gradually depleting resources and causing a denial-of-service condition.
Systems using the ARM cns3xxx platform and running a Linux Kernel version prior to v5.10.127 are affected by this vulnerability.
Yes, the vulnerability can be fixed by updating the Linux Kernel to version v5.10.127 or later.
No, there are no known workarounds for this vulnerability. Updating the Linux Kernel is the recommended solution.
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