On Wed, Jul 20, 2022 at 09:48:24AM +0200, Greg KH wrote:
On Tue, Jul 19, 2022 at 09:15:56PM -0400, Sasha Levin wrote:
From: Alexandre Chartre alexandre.chartre@oracle.com
[ Upstream commit 6b80b59b3555706508008f1f127b5412c89c7fd8 ]
Report that AMD x86 CPUs are vulnerable to the RETBleed (Arbitrary Speculative Code Execution with Return Instructions) attack.
[peterz: add hygon] [kim: invert parity; fam15h]
Co-developed-by: Kim Phillips kim.phillips@amd.com Signed-off-by: Kim Phillips kim.phillips@amd.com Signed-off-by: Alexandre Chartre alexandre.chartre@oracle.com Signed-off-by: Peter Zijlstra (Intel) peterz@infradead.org Signed-off-by: Borislav Petkov bp@suse.de Reviewed-by: Josh Poimboeuf jpoimboe@kernel.org Signed-off-by: Borislav Petkov bp@suse.de Signed-off-by: Sasha Levin sashal@kernel.org
arch/x86/include/asm/cpufeatures.h | 1 + arch/x86/kernel/cpu/bugs.c | 13 +++++++++++++ arch/x86/kernel/cpu/common.c | 19 +++++++++++++++++++ drivers/base/cpu.c | 8 ++++++++ include/linux/cpu.h | 2 ++ 5 files changed, 43 insertions(+)
This part of the larger retbleed series already queued up, so no need to add it again.
All of these weren't part of anything that was queued up. I've actually ended up queueing this one up since it was a dependency for a patch with a Fixes tag, but all of this AUTOSEL batch wasn't part of the retbleed series you've queued up a week ago.