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CVE-2016-4020 PUBLISHED

The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR).

EPSS 0.09% · 24.6th percentile

Risk Scores

EPSS Score
0.09%
24.6th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSqemu0, 1.5.0+dfsg-3ubuntu5, 1.5.0+dfsg-3ubuntu6
Ubuntu:16.04:LTSqemu0, 1:2.3+dfsg-5ubuntu9, 1:2.3+dfsg-5ubuntu10

Timeline

References

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