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| author | Klaus Jensen <k.jensen@samsung.com> | 2021-12-17 10:44:01 +0100 |
|---|---|---|
| committer | Klaus Jensen <k.jensen@samsung.com> | 2022-02-14 08:58:29 +0100 |
| commit | 736b01642d85be832385063f278fe7cd4ffb5221 (patch) | |
| tree | 59a771011265be7081cc7f14d56c0f540f82482e /python/tests | |
| parent | 48033ad678ae2def43bf0d543a2c4c3d2a93feaf (diff) | |
| download | qemu-736b01642d85be832385063f278fe7cd4ffb5221.zip qemu-736b01642d85be832385063f278fe7cd4ffb5221.tar.gz qemu-736b01642d85be832385063f278fe7cd4ffb5221.tar.bz2 | |
hw/nvme: fix CVE-2021-3929
This fixes CVE-2021-3929 "locally" by denying DMA to the iomem of the
device itself. This still allows DMA to MMIO regions of other devices
(e.g. doing P2P DMA to the controller memory buffer of another NVMe
device).
Fixes: CVE-2021-3929
Reported-by: Qiuhao Li <Qiuhao.Li@outlook.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Diffstat (limited to 'python/tests')
0 files changed, 0 insertions, 0 deletions