Ubuntu Security Notice USN-3159-1
20th December, 2016
linux vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 12.04 LTS
Summary
The system could be made to expose sensitive information.
Software description
- linux
- Linux kernel
Details
It was discovered that a race condition in the procfs environ_read function
in the Linux kernel, leading to an integer underflow. A local attacker
could use this to expose sensitive information (kernel memory).
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 12.04 LTS:
To update your system, please follow these instructions:
Vollständiger Original-Bericht
Ausführliche Details, Code-Beispiele & Hersteller-Stellungnahme auf ubuntu.com.
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