CVE-2016-4020

Qemu: i386: leakage of stack memory to guest in kvmvapic.c

Published May 25, 2016 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-573-1 qemu security update
Debian DLA Debian DLA DLA-1599-1 qemu security update
EUVD EUVD EUVD-2016-5026 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).
Ubuntu USN Ubuntu USN USN-2974-1 QEMU vulnerabilities
History

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