Vulnerability in Xen
CVE-2014-7188
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 8.3 (High). Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.009 (56.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Xen — versions 4.1.0, 4.1.1, 4.1.2
Weakness classification (CWE)
References
- lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html (vendor-advisory)
- support.citrix.com/article/CTX201794
- lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html (vendor-advisory)
- support.citrix.com/article/CTX200218
- lists.fedoraproject.org/pipermail/package-announce/2014-October/140199.html (vendor-advisory)
- www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
- www.securitytracker.com/id/1030936 (vdb-entry)
- xenbits.xen.org/xsa/advisory-108.html (Patch, Vendor Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html (vendor-advisory)