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| author | Yuval Shaia <yuval.shaia.ml@gmail.com> | 2022-04-03 12:52:34 +0300 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2023-01-16 18:49:38 +0100 |
| commit | 31c4b6fb0293e359f9ef8a61892667e76eea4c99 (patch) | |
| tree | 166238b28d80f3fd481719f84364710830f766f3 /hw/intc | |
| parent | daa500cab6a4f8fdaa1a0689a5d39a6b67213801 (diff) | |
| download | focaccia-qemu-31c4b6fb0293e359f9ef8a61892667e76eea4c99.tar.gz focaccia-qemu-31c4b6fb0293e359f9ef8a61892667e76eea4c99.zip | |
hw/pvrdma: Protect against buggy or malicious guest driver
Guest driver might execute HW commands when shared buffers are not yet allocated. This could happen on purpose (malicious guest) or because of some other guest/host address mapping error. We need to protect againts such case. Fixes: CVE-2022-1050 Reported-by: Raven <wxhusst@gmail.com> Signed-off-by: Yuval Shaia <yuval.shaia.ml@gmail.com> Message-Id: <20220403095234.2210-1-yuval.shaia.ml@gmail.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'hw/intc')
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