CVE-2015-4103: xen
Vulnerability summary
CVE-2015-4103 is a medium (CVSS 4.9) vulnerability in xen. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 39.1% of scored vulnerabilities.
Not severe (CVSS 4.9, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 3Timeline
- 03-06-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.45% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:2.3+dfsg-5
- xen< 4.4.0-1
Ubuntu2 products
- qemu< 2.0.0+dfsg-2ubuntu1.13
- xen< 4.4.2-0ubuntu0.14.04.2
Xen1 product
- xen3.3.0 | 3.3.1 | 3.3.2 | 3.4.0 | 3.4.1 | 3.4.2 | 3.4.3 | 3.4.4 | 4.0.1 | 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 | 4.3.2 | 4.3.4 | 4.4.0 | 4.4.1 | 4.5.0
3 vendors · 5 products
References
20 links- support.citrix.com/article/CTX206006X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.htmlVendor AdvisoryX Refsource FEDORA
- support.citrix.com/article/CTX201145X Refsource CONFIRM
Show all 20 references
- lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.htmlVendor AdvisoryX Refsource FEDORA