qemu: hot-unplugging virtio devices in guest can crash host qemu process
Published Oct 11, 2013
2.3
LOWCVSS 2.0
EPSS 0.46%
Description
Use-after-free vulnerability in the virtio-pci implementation in Qemu 1.4.0 through 1.6.0 allows local users to cause a denial of service (daemon crash) by "hot-unplugging" a virtio device.
Affected products
No data.
- 1.4.0
- 1.4.1
- 1.4.2
- 1.5.0
- 1.5.0
- 1.5.0
- 1.5.0
- 1.5.1
- 1.5.2
- 1.5.3
- 1.6.0
- 1.6.0
- 1.6.0
- 1.6.0
No data.
Red Hat Enterprise Linux 5
qemu-kvm
Not affected
Red Hat Enterprise Linux 6
qemu-kvm
Not affected
Red Hat Enterprise Linux 7
qemu-kvm
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | qemu-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 |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the version of qemu-kvm as shipped in Red Hat Enterprise Linux 5 and 6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:A/AC:M/Au:S/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.46% (0.00460) | 37.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.46% (0.00460) | 36.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00096) | 24.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | 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://lists.nongnu.org/archive/html/qemu-devel/2013-09/msg03347.html mailing-listx_refsource_MLISTPatch
- http://secunia.com/advisories/55015 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openwall.com/lists/oss-security/2013/09/26/5 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-2092-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2013-4377 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1012633 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-4377
- https://www.cve.org/CVERecord?id=CVE-2013-4377
| Link | Providers | Tags |
|---|---|---|
| http://lists.nongnu.org/archive/html/qemu-devel/2013-09/msg03347.html | mailing-listx_refsource_MLISTPatch | |
| http://secunia.com/advisories/55015 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.openwall.com/lists/oss-security/2013/09/26/5 | mailing-listx_refsource_MLIST | |
| http://www.ubuntu.com/usn/USN-2092-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2013-4377 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1012633 | x_refsource_CONFIRMIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4377 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4377 |
Change history (0)
No recorded changes yet.