xen: p2m lock starvation (xsa114)
Published Dec 9, 2014
4.7
MEDIUMCVSS 2.0
EPSS 0.40%
Description
Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability than CVE-2014-9065.
Affected products
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.
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:L/AC:M/Au:N/C:N/I:N/A:C
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% (0.00398) | 31.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00398) | 31.34th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00072) | 19.41th | 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 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (10)
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html vendor-advisoryx_refsource_SUSE
- http://www.openwall.com/lists/oss-security/2014/12/08/4 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/71546 vdb-entryx_refsource_BID
- http://xenbits.xen.org/xsa/advisory-114.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2014-9066 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1167951 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-9066
- https://security.gentoo.org/glsa/201504-04 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2014-9066
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html | vendor-advisoryx_refsource_SUSE | |
| http://www.openwall.com/lists/oss-security/2014/12/08/4 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/71546 | vdb-entryx_refsource_BID | |
| http://xenbits.xen.org/xsa/advisory-114.html | x_refsource_CONFIRMPatchVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2014-9066 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1167951 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-9066 | ||
| https://security.gentoo.org/glsa/201504-04 | vendor-advisoryx_refsource_GENTOO | |
| https://www.cve.org/CVERecord?id=CVE-2014-9066 |
Change history (0)
No recorded changes yet.