Buffer Overflow Vulnerability in Linux Kernel
Summary
GSD-2021-1002210: media: firewire: firedtv-avc: fix a buffer overflow in avc_ca_pmt(). Affects Kernel versions < cb667140875a3b1db92e4c50b4617a7cbf84659b. No fix is published. How to fix ↓
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Background
The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing an interface for applications to interact with the hardware. It is widely used in various devices, including servers, desktops, and embedded systems. The vulnerability identified in this report affects the Linux Kernel and specifically the 'media: firewire: firedtv-avc' module.
Vulnerability Detail
The vulnerability in the 'media: firewire: firedtv-avc' module of the Linux Kernel is a buffer overflow issue in the avc_ca_pmt() function. This vulnerability could be exploited by an attacker to overwrite adjacent memory locations, potentially leading to arbitrary code execution or system crashes. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.15.1 by commit cb667140875a3b1db92e4c50b4617a7cbf84659b.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
In conclusion, the 'media: firewire: firedtv-avc' module in the Linux Kernel prior to v5.15.1 is vulnerable to a buffer overflow issue. This vulnerability can be mitigated by updating the Linux Kernel to version v5.15.1 or later. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The impact of this vulnerability could potentially allow an attacker to execute arbitrary code or cause system crashes.
There is no evidence of this vulnerability being exploited in the wild at the time of this report.
The vulnerability is present in versions of the Linux Kernel prior to v5.15.1. The fixed version of the Linux Kernel (v5.15.1 and later) no longer contains this vulnerability.
No specific workaround has been provided for this vulnerability. It is recommended to update to the fixed version of the Linux Kernel.
For more details about this vulnerability, you can refer to the source information provided by the Cloud Security Alliance's GSD database: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002210.json
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