Vulnerability in Xen
CVE-2015-4103
Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.
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 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% 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 3.3.0, 3.3.1, 3.3.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-2630-1 (vendor-advisory)
- support.citrix.com/article/CTX206006
- www.debian.org/security/2015/dsa-3286 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html (vendor-advisory)
- www.debian.org/security/2015/dsa-3284 (vendor-advisory)
- www.securitytracker.com/id/1032456 (vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html (vendor-advisory)
- support.citrix.com/article/CTX201145
- lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html (vendor-advisory)
Frequently asked questions
- What is CVE-2015-4103?
- CVE-2015-4103 is a vulnerability in Xen, classified under CWE-264. Published 2015-06-03.
- Is CVE-2015-4103 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.