Vulnerability in Xen
CVE-2015-7812
The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.9 (Medium). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (31.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Xen — versions 4.4.0, 4.4.1, 4.4.2
Weakness classification (CWE)
References
- lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html (vendor-advisory)
- www.securitytracker.com/id/1034031 (vdb-entry)
- xenbits.xen.org/xsa/advisory-145.html (Patch, Vendor Advisory)
- www.debian.org/security/2015/dsa-3414 (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html (vendor-advisory)
- security.gentoo.org/glsa/201604-03 (vendor-advisory)