CVE-2017-5857

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1418382 patch issue tracking
http://www.openwall.com/lists/oss-security/2017/02/02/16 patch mailing list third party advisory
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=5e8e3c4c75c199aa1017db816fca02be2a9f8798
http://www.securityfocus.com/bid/95993 third party advisory vdb entry
https://security.gentoo.org/glsa/201702-28 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2017/02/01/21 patch mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-5857?
CVE-2017-5857 has been scored as a medium severity vulnerability.
How to fix CVE-2017-5857?
To fix CVE-2017-5857, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5857 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-5857 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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