USN-6318-1: Linux kernel vulnerabilities

Daniel Moghimi discovered that some Intel(R) Processors did not properly
clear microarchitectural state after speculative execution of various
instructions. A local unprivileged user could use this to obtain to
sensitive information. (CVE-2022-40982)

Tavis Ormandy discovered that some AMD processors did not properly handle
speculative execution of certain vector register instructions. A local
attacker could use this to expose sensitive information. (CVE-2023-20593)

It was discovered that the universal 32bit network packet classifier
implementation in the Linux kernel did not properly perform …

amd clear cve daniel information intel kernel linux linux kernel local ormandy processors register sensitive sensitive information speculative execution state tavis ormandy usn vulnerabilities