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CVE-2016-4020 — MEDIUM severity vulnerability | Release Alert

CVE-2016-4020

6.5

MEDIUMCVSS v3

Published

May 25, 2016

CVSS v2

2.1 LOW

Affected

5 projects

Assigned by

Red Hat

Severity scale

010

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).

qemu-project/qemu

GitLabQEMU main repository: Please see https://www.qemu.org/docs/master/devel/submitting-a-patch.html for how to submit changes to QEMU. Pull Requests are ignored. Please only use release tarballs from the QEMU website. http://www.qemu.org

<= 2.6.2NVD

qemu/qemu

GitHubOfficial QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are disabled. Please only use release tarballs from the QEMU website.

<= 2.6.2NVD

More on this CVE

NVD↗GitHub Advisory↗

bonzini/qemu

GitHubMy QEMU tree

<= 2.6.2NVD

birkelund/qemu

<= 2.6.2NVD

thuth/qemu

GitLabQEMU mirror for GitLab CI: Please see http://wiki.qemu.org/Contribute/SubmitAPatch for how to submit changes to QEMU. Pull Requests are ignored. Please only use release tarballs from the QEMU website. http://www.qemu.org

<= 2.6.2NVD