CVE-2016-4020

Priority
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).
Assigned-to
mdeslaur
Notes
Package
Source: qemu (LP Ubuntu Debian)
Upstream:needed
Ubuntu 14.04 ESM (Trusty Tahr):released (2.0.0+dfsg-2ubuntu1.24)
Ubuntu 16.04 LTS (Xenial Xerus):released (1:2.5+dfsg-5ubuntu10.1)
Patches:
Other:https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01106.html
Package
Upstream:needs-triage
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
More Information

Updated: 2020-03-18 22:44:40 UTC (commit 2ea7df7bd1e69e1e489978d2724a936eb3faa1b8)