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| author | David Kaplan <[email protected]> | 2025-06-25 15:58:04 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2025-06-26 08:56:39 +0000 |
| commit | ff54ae7314962699749869a3475da7a702ae991a (patch) | |
| tree | 01eb1ba296be4aa67ed3d073bb5642401a5582ad /net/unix/af_unix.c | |
| parent | x86/bugs: Add SRSO_MITIGATION_NOSMT (diff) | |
| download | kernel-ff54ae7314962699749869a3475da7a702ae991a.tar.gz kernel-ff54ae7314962699749869a3475da7a702ae991a.zip | |
x86/bugs: Use IBPB for retbleed if used by SRSO
If spec_rstack_overflow=ibpb then this mitigates retbleed as well. This
is relevant for AMD Zen1 and Zen2 CPUs which are vulnerable to both bugs.
Signed-off-by: David Kaplan <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Reviewed-by: Borislav Petkov (AMD) <[email protected]>
Cc: H . Peter Anvin <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Pawan Gupta <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'net/unix/af_unix.c')
0 files changed, 0 insertions, 0 deletions