diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2019-11-27 17:34:37 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-04-11 14:12:27 +0000 |
| commit | 95af254e116802490481c6293ae752f5b61e561b (patch) | |
| tree | f405d23db129aec3c1aacb178aeeaafc4ee3641e /src/drivers | |
| parent | 8304ca4cb60005fae4335bbe98af3ea483c2ffb5 (diff) | |
cpu/x86/smm: Add sinkhole mitigation to relocatable smmstub
The sinkhole exploit exists in placing the lapic base such that it
messes with GDT. This can be mitigated by checking the lapic MSR
against the current program counter.
Change-Id: I49927c4f4218552b732bac8aae551d845ad7f079
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37289
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/drivers')
0 files changed, 0 insertions, 0 deletions