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Huawei EulerOS: CVE-2016-4020: qemu-kvm security update

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Huawei EulerOS: CVE-2016-4020: qemu-kvm security update

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
05/25/2016
Created
07/25/2018
Added
11/30/2017
Modified
02/14/2023

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)

  • huawei-euleros-2_0_sp2-upgrade-qemu-img
  • huawei-euleros-2_0_sp2-upgrade-qemu-kvm
  • huawei-euleros-2_0_sp2-upgrade-qemu-kvm-common

References

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