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| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2022-06-14 23:16:15 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-06-27 10:34:00 +0200 |
| commit | 9756bba28470722dacb79ffce554336dd1f6a6cd (patch) | |
| tree | 2de4396bfa550c400fe8380e435fb28169733cd9 /arch/x86/Makefile_32.cpu | |
| parent | KVM: VMX: Fix IBRS handling after vmexit (diff) | |
| download | linux-9756bba28470722dacb79ffce554336dd1f6a6cd.tar.xz linux-9756bba28470722dacb79ffce554336dd1f6a6cd.zip | |
x86/speculation: Fill RSB on vmexit for IBRS
Prevent RSB underflow/poisoning attacks with RSB. While at it, add a
bunch of comments to attempt to document the current state of tribal
knowledge about RSB attacks and what exactly is being mitigated.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/Makefile_32.cpu')
0 files changed, 0 insertions, 0 deletions