xen: Excessive checking in compatibility mode hypercall argument translation (xsa111)
Published Dec 1, 2014
4.7
MEDIUMCVSS 2.0
EPSS 0.43%
Description
The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.
Affected products
No data.
Configuration 1
- 7.0
Configuration 2
- 3.3.0
- 3.3.1
- 3.3.2
- 3.4.0
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1.3
- 4.1.4
- 4.1.5
- 4.1.6.1
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.3.0
- 4.3.1
- 4.4.0
- 4.4.0
No data.
Red Hat Enterprise Linux 5
kernel-xen
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-xen | Not affected | n/a |
No package ranges for this CVE.
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 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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.43% (0.00432) | 35.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00432) | 34.28th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00070) | 18.91th | 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 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
References (14)
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://secunia.com/advisories/59937 third-party-advisoryx_refsource_SECUNIAPermissions RequiredThird Party Advisory
- http://secunia.com/advisories/62672 third-party-advisoryx_refsource_SECUNIAPermissions RequiredThird Party Advisory
- http://support.citrix.com/article/CTX200288 x_refsource_CONFIRM
- http://support.citrix.com/article/CTX201794 x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2015/dsa-3140 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.securityfocus.com/bid/71332 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://xenbits.xen.org/xsa/advisory-111.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2014-8866 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1164253 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-8866
- https://security.gentoo.org/glsa/201504-04 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2014-8866
Change history (0)
No recorded changes yet.