CVE-2016-4020
- State
- Published
- Severity
- Not scored
- Published
- May 25, 2016
- Updated
- Aug 6, 2024
- Reserved
- Apr 14, 2016
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).
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=691a02e2ce0c413236a78dee6f2651c937b09fb0
- https://bugzilla.redhat.com/show_bug.cgi?id=1313686
- [qemu-devel] 20160407 [Qemu-devel] [PATCH] i386: kvmvapic: initialise imm32 variablemailing-list
- 86067vdb-entry
- [qemu-devel] 20160407 Re: [Qemu-devel] [PATCH] i386: kvmvapic: initialise imm32 variablemailing-list
- RHSA-2017:2392vendor-advisory
- GLSA-201609-01vendor-advisory
- USN-2974-1vendor-advisory
- [debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security updatemailing-list
- RHSA-2017:2408vendor-advisory
- RHSA-2017:1856vendor-advisory
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