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).
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade qemu-kvm-toolsUpgrade qemu-kvm-debuginfoUpgrade qemu-imgUpgrade qemu-kvmUpgrade qemu-kvm-common | Aug 28, 2019 | May 25, 2016 |
| Debian | — | Upgrade qemuUpgrade qemu-kvm | Mar 31, 2017 | May 25, 2016 |
| Gentoo Linux | — | Upgrade app-emulation/qemu. | Oct 30, 2017 | May 25, 2016 |
| Huawei Euleros 2_0_sp1 | — | Upgrade qemu-img | Nov 30, 2017 | May 25, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade qemu-imgUpgrade qemu-kvm-commonUpgrade qemu-kvm | Nov 30, 2017 | May 25, 2016 |
| Oracle_linux | — | Upgrade qemu-kvm-commonUpgrade qemu-imgUpgrade qemu-kvmUpgrade qemu-kvm-tools | Aug 8, 2017 | Apr 7, 2016 |
| Redhat_linux | — | Upgrade qemu-kvm-toolsUpgrade qemu-kvmUpgrade qemu-kvm-debuginfoUpgrade qemu-imgUpgrade qemu-kvm-common | Aug 5, 2017 | May 25, 2016 |
| Suse | — | Upgrade xen-tools-domUUpgrade xen-kmp-paeUpgrade qemu-ui-openglUpgrade qemu-audio-ossUpgrade qemu-skibootUpgrade qemu-block-curlUpgrade qemu-audio-alsaUpgrade qemu-ui-spice-coreUpgrade qemu-armUpgrade qemu-block-iscsiUpgrade qemu-s390Upgrade qemu-ui-cursesUpgrade qemu-seabiosUpgrade qemu-hw-display-virtio-vgaUpgrade qemu-ui-gtkUpgrade xen-kmp-defaultUpgrade xen-doc-htmlUpgrade qemu-ui-spice-appUpgrade qemu-audio-paUpgrade qemu-ksmUpgrade qemuUpgrade xen-develUpgrade qemu-chardev-baumUpgrade qemu-guest-agentUpgrade qemu-vgabiosUpgrade qemu-block-rbdUpgrade qemu-ppcUpgrade qemu-kvmUpgrade xen-libsUpgrade qemu-hw-display-virtio-gpu-pciUpgrade qemu-hw-s390x-virtio-gpu-ccwUpgrade qemu-block-sshUpgrade xen-libs-32bitUpgrade qemu-hw-display-virtio-gpuUpgrade qemu-chardev-spiceUpgrade qemu-x86Upgrade qemu-toolsUpgrade xen-toolsUpgrade qemu-hw-display-qxlUpgrade qemu-ipxeUpgrade kvmUpgrade qemu-s390xUpgrade qemu-sgabiosUpgrade qemu-hw-usb-redirectUpgrade qemu-audio-spiceUpgrade xenUpgrade qemu-langUpgrade qemu-microvm | Jun 13, 2016 | May 25, 2016 |
| Ubuntu | — | Upgrade qemu-system-s390xUpgrade qemu-system-ppcUpgrade qemu-system-armUpgrade qemu-systemUpgrade qemu-system-miscUpgrade qemu-system-mipsUpgrade qemu-system-sparcUpgrade qemu-kvmUpgrade qemu-system-aarch64Upgrade qemu-system-x86 | May 12, 2016 | May 12, 2016 |
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