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| author | Eric Northup <digitaleric@google.com> | 2015-11-03 18:03:53 +0100 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-12-14 12:17:32 -0500 |
| commit | 79e62de2efb2f586726e46342c792360a9644319 (patch) | |
| tree | 9704642dc5d7c1cc956df554835d575c8b728456 /scripts/sign-file | |
| parent | a62b833dd4af3c58b839317367b0586a5ca12669 (diff) | |
| download | linux-rt-79e62de2efb2f586726e46342c792360a9644319.tar.gz | |
KVM: x86: work around infinite loop in microcode when #AC is delivered
[ Upstream commit 54a20552e1eae07aa240fa370a0293e006b5faed ]
It was found that a guest can DoS a host by triggering an infinite
stream of "alignment check" (#AC) exceptions. This causes the
microcode to enter an infinite loop where the core never receives
another interrupt. The host kernel panics pretty quickly due to the
effects (CVE-2015-5307).
Signed-off-by: Eric Northup <digitaleric@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'scripts/sign-file')
0 files changed, 0 insertions, 0 deletions