(1) xenbaked and (2) xenmon.py in Xen 3.1 and earlier allow local users to truncate arbitrary files via a symlink attack on /tmp/xenq-shm.
Conclusion & alert: CVE-2007-3919 is rated Low Risk (26.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.04%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-17 | 0.06% | 0.04% | -0.03% |
| 2 | 2024-12-23 | 0.04% | 0.06% | +0.02% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.0 | 2.0 | MEDIUM |
|
2.7 | 9.2 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2007-3919 |
ubuntu
|
low | CVE-2007-3919 low priority: Ubuntu including 3 source packages (xen, xen-3.0, xen-3.1), 39 status rows across 13 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): DNE 29, ignored 6, needs-triage 3, not-affected 1. | https://ubuntu.com/security/CVE-2007-3919 |
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2007-3919 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| xensource_inc | xen | 3.0.3_0_1 | cpe:2.3:a:xensource_inc:xen:3.0.3_0_1:*:*:*:*:*:*:* |
| xensource_inc | xen | 3.0.3_0_3 | cpe:2.3:a:xensource_inc:xen:3.0.3_0_3:*:*:*:*:*:*:* |