CVE-2016-4020
25.05.2016, 15:59
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).Enginsight
| Vendor | Product | Version |
|---|---|---|
| qemu | qemu | 𝑥 ≤ 2.6.2 |
| canonical | ubuntu_linux | 12.04 |
| canonical | ubuntu_linux | 14.04 |
| canonical | ubuntu_linux | 15.10 |
| canonical | ubuntu_linux | 16.04 |
| debian | debian_linux | 8.0 |
| redhat | openstack | 6.0 |
| redhat | openstack | 7.0 |
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_eus | 7.4 |
| redhat | enterprise_linux_eus | 7.5 |
| redhat | enterprise_linux_eus | 7.6 |
| redhat | enterprise_linux_eus | 7.7 |
| redhat | enterprise_linux_server | 7.0 |
| redhat | enterprise_linux_server_aus | 7.4 |
| redhat | enterprise_linux_server_aus | 7.6 |
| redhat | enterprise_linux_server_aus | 7.7 |
| redhat | enterprise_linux_server_tus | 7.6 |
| redhat | enterprise_linux_server_tus | 7.7 |
| redhat | enterprise_linux_workstation | 7.0 |
| redhat | virtualization | 4.0 |
𝑥
= Vulnerable software versions
Debian Releases
Ubuntu Releases
References