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CVE-2017-5857

22
FAUCET Score

CVE-2017-5857 describes a memory leak in QEMU's virtio-gpu-3d component, specifically within the virgl_cmd_resource_unref function, affecting QEMU versions. A low-privileged local guest OS user can trigger a denial of service by sending numerous VIRTIO_GPU_CMD_RESOURCE_UNREF commands without detaching backing storage, leading to host memory exhaustion. Rated Medium (CVSS 6.5), this vulnerability has low attack complexity and requires local access. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.8.1.1CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 87th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2017-5857Low

Qemu: display: virtio-gpu-3d: host memory leakage in virgl_cmd_resource_unref

Jan 23, 2017

References

git.qemu-project.org
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
security.gentoo.org / glsa/201702-28
Third Party Advisory
openwall.com / lists/oss-security/2017/02/01/21
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2017/02/02/16
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/95993
Third Party AdvisoryVDB Entry