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CVE-2016-6490
The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial…
Medium4.4EPSS 0.39%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the descriptor buffer.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.39% · top 67% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.
Weakness
Affected products
n/a
- affected n/a
References (5)
- [oss-security] 20160728 CVE Request Qemu: virtio: infinite loop in virtqueue_pop (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20160728 Re: CVE Request Qemu: virtio: infinite loop in virtqueue_pop (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-201609-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1e7aed70144b4673fc26e73062064b6724795e5f (opens in a new tab)x_refsource_CONFIRMx_transferred
- [qemu-devel] 20160726 [PATCH] virtio: check vring descriptor buffer length (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .