23 lines
696 B
Diff
23 lines
696 B
Diff
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CVE-2017-8112
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https://lists.gnu.org/archive/html/qemu-devel/2017-04/msg04494.html
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---
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hw/scsi/vmw_pvscsi.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c
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index 7557546..4a106da 100644
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--- a/hw/scsi/vmw_pvscsi.c
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+++ b/hw/scsi/vmw_pvscsi.c
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@@ -202,7 +202,7 @@ pvscsi_ring_init_msg(PVSCSIRingInfo *m, PVSCSICmdDescSetupMsgRing *ri)
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uint32_t len_log2;
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uint32_t ring_size;
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- if (ri->numPages > PVSCSI_SETUP_MSG_RING_MAX_NUM_PAGES) {
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+ if (!ri->numPages || ri->numPages > PVSCSI_SETUP_MSG_RING_MAX_NUM_PAGES) {
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return -1;
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}
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ring_size = ri->numPages * PVSCSI_MAX_NUM_MSG_ENTRIES_PER_PAGE;
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--
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2.9.3
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