MGASA-2023-0243 Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.15.122 and fixes atleast the following security issues: Under specific microarchitectural circumstances, a register in "Zen 2" CPUs may not be written to 0 correctly. This may cause data from another process and/or thread to be stored in the YMM...

MGASA-2023-0242 Updated kernel packages fix security vulnerability

This kernel update is based on upstream 5.15.122 and fixes atleast the following security issue: Under specific microarchitectural circumstances, a register in "Zen 2" CPUs may not be written to 0 correctly. This may cause data from another process and/or thread to be stored in the YMM register,...

Zenbleed: cross-process infoleak vulnerability in AMD Zen 2 Processors - everything you need to know

Learn about the impact in cloud environments of CVE-2023-20593, a cross-process information leak vulnerability in AMD Zen 2 Processors...

SUSE-SU-2023:2986-1 Security update for kernel-firmware

This update for kernel-firmware fixes the following issues: - CVE-2023-20593: Fixed AMD ucode for ZenBleed vulnerability bsc1213286...

Zenbleed: New Flaw in AMD Zen 2 Processors Puts Encryption Keys and Passwords at Risk

A new security vulnerability has been discovered in AMD's Zen 2 architecture-based processors that could be exploited to extract sensitive data such as encryption keys and passwords. Discovered by Google Project Zero researcher Tavis Ormandy, the flaw – codenamed Zenbleed and tracked as...

x86/AMD: Zenbleed

ISSUE DESCRIPTION Researchers at Google have discovered Zenbleed, a hardware bug causing corruption of the vector registers. When a VZEROUPPER instruction is discarded as part of a bad transient execution path, its effect on internal tracking are not unwound correctly. This manifests as the wrong...