From d89d7e8ef8ee3fd45456e82e8f649f7f28c93e80 Mon Sep 17 00:00:00 2001 From: raja-grewal Date: Wed, 1 May 2024 13:49:00 +1000 Subject: [PATCH] Add reference for RETBleed --- etc/default/grub.d/40_cpu_mitigations.cfg | 1 + 1 file changed, 1 insertion(+) diff --git a/etc/default/grub.d/40_cpu_mitigations.cfg b/etc/default/grub.d/40_cpu_mitigations.cfg index b683200..ee6a2df 100644 --- a/etc/default/grub.d/40_cpu_mitigations.cfg +++ b/etc/default/grub.d/40_cpu_mitigations.cfg @@ -70,6 +70,7 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mmio_stale_data=full,nosmt" ## Enable mitigations for RETBleed (Arbitrary Speculative Code Execution with ## Return Instructions) vulnerability and disable SMT. ## +## https://www.suse.com/support/kb/doc/?id=000020693 GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX retbleed=auto,nosmt" ## Control RAS overflow mitigation on AMD Zen CPUs.