Qemu: usb: ehci host memory leakage during hotunplug
Published Jun 16, 2017
5.5
MEDIUMCVSS 3.1
EPSS 0.43%
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7
qemu-kvm-rhev-10:2.9.0-10.el7
Fixed · RHSA-2017:2408
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7
qemu-kvm-rhev-10:2.9.0-10.el7
Fixed · RHSA-2017:2408
Red Hat OpenStack Platform 10.0 (Newton)
qemu-kvm-rhev-10:2.9.0-10.el7
Fixed · RHSA-2017:2408
Red Hat OpenStack Platform 11.0 (Ocata)
qemu-kvm-rhev-10:2.9.0-10.el7
Fixed · RHSA-2017:2408
Red Hat OpenStack Platform 8.0 (Liberty)
qemu-kvm-rhev-10:2.9.0-10.el7
Fixed · RHSA-2017:2408
Red Hat OpenStack Platform 9.0 (Mitaka)
qemu-kvm-rhev-10:2.9.0-10.el7
Fixed · RHSA-2017:2408
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
qemu-kvm-rhev-10:2.9.0-14.el7
Fixed · RHSA-2017:2392
Red Hat Enterprise Linux 5
kvm
Not affected
Red Hat Enterprise Linux 5
xen
Not affected
Red Hat Enterprise Linux 6
qemu-kvm
Not affected
Red Hat Enterprise Linux 7
qemu-kvm
Will not fix
Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
qemu-kvm-rhev
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | qemu-kvm-rhev-10:2.9.0-10.el7 | Fixed | RHSA-2017:2408 |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | qemu-kvm-rhev-10:2.9.0-10.el7 | Fixed | RHSA-2017:2408 |
| Red Hat OpenStack Platform 10.0 (Newton) | qemu-kvm-rhev-10:2.9.0-10.el7 | Fixed | RHSA-2017:2408 |
| Red Hat OpenStack Platform 11.0 (Ocata) | qemu-kvm-rhev-10:2.9.0-10.el7 | Fixed | RHSA-2017:2408 |
| Red Hat OpenStack Platform 8.0 (Liberty) | qemu-kvm-rhev-10:2.9.0-10.el7 | Fixed | RHSA-2017:2408 |
| Red Hat OpenStack Platform 9.0 (Mitaka) | qemu-kvm-rhev-10:2.9.0-10.el7 | Fixed | RHSA-2017:2408 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | qemu-kvm-rhev-10:2.9.0-14.el7 | Fixed | RHSA-2017:2392 |
| Red Hat Enterprise Linux 5 | kvm | Not affected | n/a |
| Red Hat Enterprise Linux 5 | xen | Not affected | n/a |
| Red Hat Enterprise Linux 6 | qemu-kvm | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm | Will not fix | n/a |
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | qemu-kvm-rhev | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L
AV:L/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00431) | 35.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00431) | 34.18th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00075) | 20.07th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.60th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.10% (0.01104) | 52.45th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01104) | 50.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.31% (0.02314) | 53.75th | v1 |
| Jan 6, 2022 | 2.31% (0.02314) | 53.29th | v1 |
| Sep 1, 2021 | 2.31% (0.02314) | 78.25th | v1 |
| Apr 14, 2021 | 2.31% (0.02314) | 0.00th | v1 |
References (11)
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d710e1e7bd3d5bfc26b631f02ae87901ebe646b0 x_refsource_CONFIRM
- http://www.debian.org/security/2017/dsa-3920 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/06/06/3 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/98905 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2392 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-9374 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1459132 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html mailing-listx_refsource_MLISTThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-9374
- https://www.cve.org/CVERecord?id=CVE-2017-9374
Change history (0)
No recorded changes yet.