Buffer Overflow Vulnerability in media: firewire: firedtv-avc
Summary
UVI-2021-1002146: media: firewire: firedtv-avc: fix a buffer overflow in avc_ca_pmt(). Affects Kernel versions < 02a476ca886dc8155025fe99cbbad4121d029fa7. No fix is published. How to fix ↓
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Background
The media: firewire: firedtv-avc package is a component of the Linux Kernel, which is responsible for handling audio and video data over a FireWire connection. It provides support for FireWire-based digital TV devices. The package allows users to receive and process audio and video streams from these devices. However, a buffer overflow vulnerability has been discovered in the avc_ca_pmt() function of the package.
Vulnerability Detail
The buffer overflow vulnerability in avc_ca_pmt() function of media: firewire: firedtv-avc package allows an attacker to overwrite adjacent memory locations, potentially leading to arbitrary code execution or a system crash. This vulnerability can be exploited by sending a specially crafted payload to a vulnerable system. Successful exploitation of this vulnerability could result in unauthorized access, privilege escalation, or denial of service.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The buffer overflow vulnerability in media: firewire: firedtv-avc package can have serious security implications, including unauthorized access, privilege escalation, or denial of service. It is crucial to update the Linux Kernel to the latest version to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The media: firewire: firedtv-avc package is a component of the Linux Kernel that provides support for FireWire-based digital TV devices.
This vulnerability can allow an attacker to execute arbitrary code or cause a system crash, potentially leading to unauthorized access, privilege escalation, or denial of service.
To fix this vulnerability, update the Linux Kernel to version v5.14.17 or later.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the latest version.
You can find more information about this vulnerability in the Open Source Vulnerability database entry: UVI-2021-1002146.
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