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).
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-573-1 | qemu security update |
Debian DLA |
DLA-1599-1 | qemu security update |
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 |
USN-2974-1 | QEMU vulnerabilities |
References
History
No history.
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-06T00:17:30.133Z
Reserved: 2016-04-14T00:00:00.000Z
Link: CVE-2016-4020
No data.
Status : Modified
Published: 2016-05-25T15:59:04.927
Modified: 2026-05-06T22:30:45.220
Link: CVE-2016-4020
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
EUVD
Ubuntu USN