Back Linuxsecurity Ubuntu 25.10: Google Guest Agent Critical Denial of Service USN-7956
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Google Guest Agent could be made to crash if it received specially crafted network traffic. Software Description: - google-guest-agent: Google Compute Engine Guest Agent Details: Jakub Ciolek discovered that the Go Cryptography module included in Google Guest Agent did not validate GSSAPI authentication requests during SSH operations. An attacker could possibly use this issue to cause a denial of service.
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Google Guest Agent could be made to crash if it received specially crafted network traffic. Software Description: - google-guest-agent: Google Compute Engine Guest Agent Details: Jakub Ciolek discovered that the Go Cryptography module included in Google Guest Agent did not validate GSSAPI authentication requests during SSH operations. An attacker could possibly use this issue to cause a denial of service.
The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 google-guest-agent 20250506.01-0ubuntu1.1 Ubuntu 25.04 google-guest-agent 20250116.00-0ubuntu2.2 Ubuntu 24.04 LTS google-guest-agent 20250116.00-0ubuntu1~24.04.3 Ubuntu 22.04 LTS google-guest-agent 20250116.00-0ubuntu1~22.04.2 Ubuntu 20.04 LTS google-guest-agent 20250116.00-0ubuntu1~20.04.0+esm2 Available with Ubuntu Pro Ubuntu 18.04 LTS google-guest-agent 20241011.01-0ubuntu1~18.04.0+esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS google-guest-agent 20240716.00-0ubuntu1~16.04.0+esm2 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 google-guest-agent 20250506.01-0ubuntu1.1 Ubuntu 25.04 google-guest-agent 20250116.00-0ubuntu2.2 Ubuntu 24.04 LTS google-guest-agent 20250116.00-0ubuntu1~24.04.3 Ubuntu 22.04 LTS google-guest-agent 20250116.00-0ubuntu1~22.04.2 Ubuntu 20.04 LTS google-guest-agent 20250116.00-0ubuntu1~20.04.0+esm2 Available with Ubuntu Pro Ubuntu 18.04 LTS google-guest-agent 20241011.01-0ubuntu1~18.04.0+esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS google-guest-agent 20240716.00-0ubuntu1~16.04.0+esm2 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
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