CVE-2012-3432: xen
Vulnerability summary
CVE-2012-3432 is a low (CVSS 1.9) vulnerability in xen. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 50.8% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 1.9, 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
- 03-12-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.64% on 04-10-2026
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
1 foundExploit Reference (lists.xen.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- xen< 4.1.3-1
Xen1 product
- xen3.3.0 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.2.0
2 vendors · 2 products
References
10 links
- lists.xen.org/archives/html/xen-devel/2012-07/msg01649.htmlMailing ListX Refsource MLISTExploitVendor Advisory