CVE catalog
CVE-2009-3722
kvm - several vulnerabilities
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 2.28% · Oct 25, 2026
The handle_dr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 2.6.31.1 does not properly verify the Current Privilege Level (CPL) before accessing a debug register, which allows guest OS users to cause a denial of service (trap) on the host OS via a crafted application. KVM: Check cpl before emulating debug register access Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-3722 The Red Hat Product Security has rated this issue as having moderate security impact, a future update will address this flaw. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | kvm | 5.0 | 72+dfsg-4 | vulnerable |
| Debian | kvm | 5.0 | 72+dfsg-5~lenny1 | vulnerable |
| Debian | kvm | 5.0 | 72+dfsg-5~lenny2 | vulnerable |
| Debian | kvm | 5.0 | 72+dfsg-5~lenny3 | vulnerable |
| Debian | kvm | 5.0 | 72+dfsg-5~lenny4 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | kvm | deb | 5.0 | 72+dfsg-5~lenny4 | Not reported | DSA-1962-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: