USN-8183-2: Linux kernel vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

The vulnerability of the load_microcode_amd() function in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the loadmicrocodeamd function in the Linux operating system’s kernel is related to incorrect array indexing. Exploiting this vulnerability can allow an attacker to cause a service failure...