Vulnerability Details : CVE-2017-5857
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.
Vulnerability category: Denial of service
Products affected by CVE-2017-5857
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-5857
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-5857
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
2.0
|
4.0
|
NIST |
CWE ids for CVE-2017-5857
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-5857
-
https://security.gentoo.org/glsa/201702-28
QEMU: Multiple vulnerabilities (GLSA 201702-28) — Gentoo securityThird Party Advisory
-
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=5e8e3c4c75c199aa1017db816fca02be2a9f8798
QEMU · GitLab
-
http://www.openwall.com/lists/oss-security/2017/02/02/16
oss-security - Re: CVE request Qemu: display: virtio-gpu-3d: host memory leakage in virgl_cmd_resource_unrefMailing List;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/95993
QEMU 'virtio-gpu-3d.c' Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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https://bugzilla.redhat.com/show_bug.cgi?id=1418382
1418382 – (CVE-2017-5857) CVE-2017-5857 Qemu: display: virtio-gpu-3d: host memory leakage in virgl_cmd_resource_unrefIssue Tracking;Patch
-
http://www.openwall.com/lists/oss-security/2017/02/01/21
oss-security - CVE request Qemu: display: virtio-gpu-3d: host memory leakage in virgl_cmd_resource_unrefMailing List;Patch;Third Party Advisory
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