xen: qemu disk backend (qdisk) resource leak (XSA-71)
Published Jan 19, 2014
2.7
LOWCVSS 2.0
EPSS 0.58%
Description
The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service (domain grant reference consumption) via unspecified vectors.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
kernel-xen
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 | kernel-xen | 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 does not affect the versions of the xen package as shipped with Red Hat Enterprise Linux 5 as it does not provide support for the qdisk PV backend. This issue does not affect the versions of qemu-kvm as shipped with Red Hat Enterprise Linux 6 as they did not include the upstream commit that introduced this flaw. This issue does not affect Red Hat Enterprise MRG 2.
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:L/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 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 | 0.58% (0.00585) | 45.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.58% (0.00585) | 43.15th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00088) | 23.08th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00059) | 26.93th | v3 (v2023.03.01) |
| May 25, 2024 | 0.06% (0.00059) | 24.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00059) | 22.80th | 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 (9)
- http://security.gentoo.org/glsa/glsa-201407-03.xml vendor-advisoryx_refsource_GENTOO
- http://www.openwall.com/lists/oss-security/2013/10/10/14 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-2092-1 vendor-advisoryx_refsource_UBUNTU
- http://xenbits.xen.org/xsa/advisory-71.html
- http://xenproject.org/downloads/xen-archives/supported-xen-43-series/xen-431.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2013-4375 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1012587 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-4375
- https://www.cve.org/CVERecord?id=CVE-2013-4375
| Link | Providers | Tags |
|---|---|---|
| http://security.gentoo.org/glsa/glsa-201407-03.xml | vendor-advisoryx_refsource_GENTOO | |
| http://www.openwall.com/lists/oss-security/2013/10/10/14 | mailing-listx_refsource_MLIST | |
| http://www.ubuntu.com/usn/USN-2092-1 | vendor-advisoryx_refsource_UBUNTU | |
| http://xenbits.xen.org/xsa/advisory-71.html | ||
| http://xenproject.org/downloads/xen-archives/supported-xen-43-series/xen-431.html | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2013-4375 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1012587 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4375 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4375 |
Change history (0)
No recorded changes yet.