kernel: xen: Improper MSR range used for x2APIC emulation (xsa108)
Published Oct 2, 2014
8.3
HIGHCVSS 2.0
EPSS 0.86%
Description
The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors.
Affected products
No data.
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 does 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:A/AC:L/Au:N/C:C/I:C/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 | 0.86% (0.00858) | 56.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.86% (0.00858) | 53.53th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.55% (0.02548) | 84.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.38% (0.00380) | 73.81th | v3 (v2023.03.01) |
| Mar 28, 2024 | 0.38% (0.00380) | 72.49th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.41% (0.00414) | 73.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.41% (0.00414) | 69.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (21)
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140199.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/61664 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/61858 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/61890 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201412-42.xml vendor-advisoryx_refsource_GENTOO
- http://support.citrix.com/article/CTX200218 x_refsource_CONFIRM
- http://support.citrix.com/article/CTX201794 x_refsource_CONFIRM
- http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf x_refsource_MISC
- http://www.debian.org/security/2014/dsa-3041 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/70198 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1030936 vdb-entryx_refsource_SECTRACK
- http://xenbits.xen.org/xsa/advisory-108.html x_refsource_CONFIRMPatchVendor Advisory
- https://access.redhat.com/security/cve/CVE-2014-7188 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1144499 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96785 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2014-7188
- https://www.cve.org/CVERecord?id=CVE-2014-7188
Change history (0)
No recorded changes yet.