Qemu: hw: pci: use after free triggered via guest
Published Jan 12, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.40%
Description
Use-after-free vulnerability in hw/pci/pcie.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU instance crash) via hotplug and hotunplug operations of Virtio block devices.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
kvm
Not affected
Red Hat Enterprise Linux 6
qemu-kvm
Not affected
Red Hat Enterprise Linux 7
qemu-kvm
Not affected
Red Hat Enterprise Linux 7
qemu-kvm-rhev
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kvm | Not affected | n/a |
| Red Hat Enterprise Linux 6 | qemu-kvm | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm | Not affected | n/a |
| Red Hat Enterprise Linux 7 | qemu-kvm-rhev | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of kvm package as shipped with Red Hat Enterprise Linux 5. This issue does not affect the versions of qemu-kvm package as shipped with Red Hat Enterprise Linux 6. This issue does not affect the versions of qemu-kvm package as shipped with Red Hat Enterprise Linux 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.40% (0.00396) | 31.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00403) | 31.86th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00089) | 23.28th | 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 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://security.gentoo.org/glsa/glsa-201412-01.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/06/23/4 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/68145 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2014-3471 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1112271 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2014-06/msg05283.html mailing-listx_refsource_MLISTPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-3471
- https://www.cve.org/CVERecord?id=CVE-2014-3471
| Link | Providers | Tags |
|---|---|---|
| http://security.gentoo.org/glsa/glsa-201412-01.xml | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2014/06/23/4 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/68145 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2014-3471 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1112271 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://lists.gnu.org/archive/html/qemu-devel/2014-06/msg05283.html | mailing-listx_refsource_MLISTPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-3471 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-3471 |
Change history (0)
No recorded changes yet.