Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.8.1.1 |
Related Weaknesses (CWE)
References
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=5e8e3c4c75c199aa1017db816
- http://www.openwall.com/lists/oss-security/2017/02/01/21Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/02/16Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95993Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1418382Issue TrackingPatch
- https://security.gentoo.org/glsa/201702-28Third Party Advisory
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=5e8e3c4c75c199aa1017db816
- http://www.openwall.com/lists/oss-security/2017/02/01/21Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/02/02/16Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95993Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1418382Issue TrackingPatch
- https://security.gentoo.org/glsa/201702-28Third Party Advisory
FAQ
What is CVE-2017-5857?
CVE-2017-5857 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...
How severe is CVE-2017-5857?
CVE-2017-5857 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-5857?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.