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).
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

Published: 2016-05-25T15:00:00

Updated: 2018-12-01T10:57:01

Reserved: 2016-04-14T00:00:00


Link: CVE-2016-4020

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2016-05-25T15:59:04.927

Modified: 2023-02-13T04:50:09.340


Link: CVE-2016-4020

JSON object: View

cve-icon Redhat Information

No data.