CVE-2017-5857
First published: Wed Feb 01 2017(Updated: )
Memory leak in the virgl_cmd_resource_unref function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_UNREF commands sent without detaching the backing storage beforehand.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU KVM | <=2.8.1.1 |
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Reference Links
- https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg04615.html
- http://www.openwall.com/lists/oss-security/2017/02/01/21
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1418383
- https://bugzilla.redhat.com/show_bug.cgi?id=1418382
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=5e8e3c4c75c199aa1017db816fca02be2a9f8798
- http://www.openwall.com/lists/oss-security/2017/02/02/16
- http://www.securityfocus.com/bid/95993
- https://security.gentoo.org/glsa/201702-28
- collector/redhat-bugzilla
- alias/CVE-2017-5857
- agent/weakness
- agent/event
- agent/severity
- agent/references
- agent/author
- agent/description
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- agent/remedy
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/qemu
- canonical/qemu kvm
- version/qemu kvm/2.8.1.1