Qemu: qemu-nbd: server breaks with SIGPIPE upon client abort
Published Aug 2, 2017
7.5
HIGHCVSS 3.1
EPSS 4.03%
Description
qemu-nbd in QEMU (aka Quick Emulator) does not ignore SIGPIPE, which allows remote attackers to cause a denial of service (daemon crash) by disconnecting during a server-to-client reply attempt.
Affected products
No data.
Configuration 2
- 8.0
- 9.0
Configuration 3
- 3.0
- 4.0
Running on/with
- 7.0
Configuration 4
Configuration 5
- 7.0
- 7.4
- 7.5
- 7.6
- 7.7
- 7.0
- 7.4
- 7.6
- 7.7
- 7.4
- 7.6
- 7.7
- 7.0
No data.
RHEV 3.X Hypervisor and Agents for RHEL-7
qemu-kvm-rhev-10:2.9.0-16.el7_4.3
Fixed · RHSA-2017:2390
Red Hat Enterprise Linux 7
qemu-kvm-10:1.5.3-141.el7_4.1
Fixed · RHSA-2017:2445
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7
qemu-kvm-rhev-10:2.9.0-16.el7_4.11
Fixed · RHSA-2017:3473
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7
qemu-kvm-rhev-10:2.9.0-16.el7_4.11
Fixed · RHSA-2017:3472
Red Hat OpenStack Platform 10.0 (Newton)
qemu-kvm-rhev-10:2.9.0-16.el7_4.11
Fixed · RHSA-2017:3474
Red Hat OpenStack Platform 11.0 (Ocata)
qemu-kvm-rhev-10:2.9.0-16.el7_4.11
Fixed · RHSA-2017:3466
Red Hat OpenStack Platform 8.0 (Liberty)
qemu-kvm-rhev-10:2.9.0-16.el7_4.11
Fixed · RHSA-2017:3471
Red Hat OpenStack Platform 9.0 (Mitaka)
qemu-kvm-rhev-10:2.9.0-16.el7_4.11
Fixed · RHSA-2017:3470
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
qemu-kvm-rhev-10:2.9.0-16.el7_4.3
Fixed · RHSA-2017:2390
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 OpenStack Platform 5 (Icehouse)
qemu-kvm-rhev
Will not fix
Red Hat OpenStack Platform 12 (Pike)
qemu-kvm-rhev
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| RHEV 3.X Hypervisor and Agents for RHEL-7 | qemu-kvm-rhev-10:2.9.0-16.el7_4.3 | Fixed | RHSA-2017:2390 |
| Red Hat Enterprise Linux 7 | qemu-kvm-10:1.5.3-141.el7_4.1 | Fixed | RHSA-2017:2445 |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | qemu-kvm-rhev-10:2.9.0-16.el7_4.11 | Fixed | RHSA-2017:3473 |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | qemu-kvm-rhev-10:2.9.0-16.el7_4.11 | Fixed | RHSA-2017:3472 |
| Red Hat OpenStack Platform 10.0 (Newton) | qemu-kvm-rhev-10:2.9.0-16.el7_4.11 | Fixed | RHSA-2017:3474 |
| Red Hat OpenStack Platform 11.0 (Ocata) | qemu-kvm-rhev-10:2.9.0-16.el7_4.11 | Fixed | RHSA-2017:3466 |
| Red Hat OpenStack Platform 8.0 (Liberty) | qemu-kvm-rhev-10:2.9.0-16.el7_4.11 | Fixed | RHSA-2017:3471 |
| Red Hat OpenStack Platform 9.0 (Mitaka) | qemu-kvm-rhev-10:2.9.0-16.el7_4.11 | Fixed | RHSA-2017:3470 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | qemu-kvm-rhev-10:2.9.0-16.el7_4.3 | Fixed | RHSA-2017:2390 |
| 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 OpenStack Platform 5 (Icehouse) | qemu-kvm-rhev | Will not fix | n/a |
| Red Hat OpenStack Platform 12 (Pike) | qemu-kvm-rhev | Not affected | 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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:N/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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.03% (0.04028) | 90.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.06% (0.04061) | 89.31th | v5 (v2026.06.15) |
| Apr 12, 2026 | 5.12% (0.05117) | 89.86th | v4 (v2025.03.14) |
| Dec 14, 2025 | 6.24% (0.06241) | 90.53th | v4 (v2025.03.14) |
| Dec 9, 2025 | 10.57% (0.10572) | 93.00th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.43% (0.04427) | 87.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.28% (0.06276) | 84.45th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.43% (0.04427) | 88.29th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.52% (0.03525) | 91.43th | v3 (v2023.03.01) |
| Nov 2, 2024 | 4.42% (0.04418) | 92.61th | v3 (v2023.03.01) |
| May 23, 2024 | 3.36% (0.03365) | 91.42th | v3 (v2023.03.01) |
| May 8, 2023 | 3.02% (0.03017) | 89.43th | v3 (v2023.03.01) |
| Mar 22, 2023 | 4.21% (0.04214) | 90.89th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.02% (0.03017) | 89.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.75% (0.04751) | 77.73th | v5 (v2026.06.15) |
| Apr 14, 2021 | 4.75% (0.04751) | 0.00th | v1 |
References (17)
- http://www.debian.org/security/2017/dsa-3920 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/06/29/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/99513 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2390 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2445 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3466 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3470 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3471 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3472 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3473 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2017:3474 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-10664 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1466190 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg02693.html mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-10664
- https://www.cve.org/CVERecord?id=CVE-2017-10664
Change history (0)
No recorded changes yet.