Buffer Overflow Vulnerability in media: firewire: firedtv-avc
Summary
GSD-2021-1001991: media: firewire: firedtv-avc: fix a buffer overflow in avc_ca_pmt(). Affects Kernel versions < 53ec9dab4eb0a8140fc85760fb50effb526fe219. 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 that handles communication with FireWire devices. It provides support for transmitting audio and video data over FireWire connections. The package is widely used in Linux-based systems and is responsible for managing the AV/C (Audio/Video Control) protocol. This vulnerability affects versions of the Linux Kernel prior to v4.19.216.
Vulnerability Detail
The vulnerability identified in media: firewire: firedtv-avc is a buffer overflow in the avc_ca_pmt() function. This function is responsible for parsing the Program Map Table (PMT) data received from a FireWire device. By exploiting this vulnerability, an attacker could send specially crafted PMT data that exceeds the bounds of the buffer, leading to a buffer overflow. This could potentially allow the attacker to execute arbitrary code or cause a denial of service (DoS) condition on the affected system.
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 mentioned in the 'how_to_fix' section to mitigate the risk.
Conclusion
The buffer overflow vulnerability in media: firewire: firedtv-avc can be mitigated by updating the Linux Kernel to version v4.19.216 or later. Users should apply the provided fix to ensure the security and stability of their systems. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
media: firewire: firedtv-avc is a component of the Linux Kernel that handles communication with FireWire devices and supports audio and video data transmission over FireWire connections.
This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service (DoS) condition on the affected system.
To fix this vulnerability, update the Linux Kernel to version v4.19.216 or later by applying commit 53ec9dab4eb0a8140fc85760fb50effb526fe219 from the official Linux Kernel repository.
There is no known workaround for this vulnerability. It is recommended to apply the fix mentioned in the 'how_to_fix' section.
For more information about this vulnerability, refer to the provided references link in the vulnerability details.
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