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CVE-2017-9374
Memory leak in QEMU (aka Quick Emulator), when built with USB EHCI Emulation support, allows local guest OS privileged users to cause a…
Medium5.5EPSS 0.43%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Memory leak in QEMU (aka Quick Emulator), when built with USB EHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the device.
Timeline
ID reserved
By mitre
- 14 days later
· 14 days later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.43% · top 62% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (8)
- DSA-3920 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [oss-security] 20170606 CVE-2017-9374 Qemu: usb: ehci host memory leakage during hotunplug (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1459132 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:2392 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d710e1e7bd3d5bfc26b631f02ae87901ebe646b0 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:2408 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 98905 (opens in a new tab)vdb-entryx_refsource_BIDx_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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-9374)Record last updated .