USN-6319-1: AMD Microcode vulnerability
30 August 2023
AMD processors may allow an attacker to expose sensitive information due to a speculative execution vulnerability.
- amd64-microcode - Processor microcode firmware for AMD CPUs
Daniël Trujillo, Johannes Wikner, and Kaveh Razavi discovered that some AMD
processors utilising speculative execution and branch prediction may allow
unauthorised memory reads via a speculative side-channel attack. A local
attacker could use this to expose sensitive information, including kernel
The problem can be corrected by updating your system to the following package versions:
After a standard system update you need to reboot your computer to make
all the necessary changes.