CVE-2012-4544: xen Improper Input Validation
Vulnerability summary
CVE-2012-4544 is a low (CVSS 2.1) Improper Input Validation vulnerability in xen. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36.4% of scored vulnerabilities.
Not severe (CVSS 2.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 31-10-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.42% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Redhat4 products
- xen< 0:3.0.3-142.el5_9.1
- xen-debuginfo< 0:3.0.3-142.el5_9.1
- xen-devel< 0:3.0.3-142.el5_9.1
- xen-libs< 0:3.0.3-142.el5_9.1
Debian1 product
- xen< 4.1.3-4
Xen1 product
- xen≤ 4.2.0 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3
3 vendors · 6 products
References
29 links- lists.fedoraproject.org/pipermail/package-announce/2012-November/091832.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2012-November/091844.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2012-November/092050.htmlVendor AdvisoryX Refsource FEDORA
