vulnerability
CentOS Linux: CVE-2016-4020: Moderate: qemu-kvm security, bug fix, and enhancement update (CESA-2017:1856)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | May 25, 2016 | Aug 28, 2019 | May 25, 2023 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
May 25, 2016
Added
Aug 28, 2019
Modified
May 25, 2023
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).
Solution(s)
centos-upgrade-qemu-imgcentos-upgrade-qemu-kvmcentos-upgrade-qemu-kvm-commoncentos-upgrade-qemu-kvm-debuginfocentos-upgrade-qemu-kvm-tools
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