Vulnerability Details : CVE-2017-5578
Memory leak in the virtio_gpu_resource_attach_backing function in hw/display/virtio-gpu.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_ATTACH_BACKING commands.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2017-5578
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 25 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-5578
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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-2017-5578
-
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-2017-5578
-
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=204f01b30975923c64006f8067f0937b91eea68b
QEMU · GitLab
-
http://www.securityfocus.com/bid/95781
QEMU 'virtio-gpu.c' Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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https://security.gentoo.org/glsa/201702-28
QEMU: Multiple vulnerabilities (GLSA 201702-28) — Gentoo securityThird Party Advisory
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http://www.openwall.com/lists/oss-security/2017/01/25/2
oss-security - Re: CVE request Qemu: display: virtio-gpu: host memory leakage in virtio_gpu_resource_attach_backingMailing List;Patch;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2017/01/23/3
oss-security - CVE request Qemu: display: virtio-gpu: host memory leakage in virtio_gpu_resource_attach_backingMailing List;Patch;Third Party Advisory
Products affected by CVE-2017-5578
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*