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CVE-2007-5906

14
FAUCET Score

CVE-2007-5906 describes a denial-of-service vulnerability in Xen 3.1.1, where a virtual guest system user can crash the hypervisor by manipulating debug registers (DR7) to set specific breakpoints. With a CVSS score of 4.7 (medium severity), this vulnerability requires local access to a guest system and moderate attack complexity, leading to a complete loss of availability for the hypervisor. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.1CPE matchmatch criteria
cpe:2.3:a:xensource_inc:xen:3.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.7MEDIUM

AV:L/AC:M/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 24th percentile among its peer group of 1,595 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-92.el5
View patch

Vendor Advisories (1)

redhatCVE-2007-5906Important

kernel-xen 3.1.1 virtual guest system denial of service (hypervisor crash) possibility

Oct 31, 2007

References

lists.opensuse.org / opensuse-security-announce/2008-01/msg00002.html
lists.xensource.com / archives/html/xen-devel/2007-10/msg01048.html
Patch
secunia.com / advisories/28405
secunia.com / advisories/28412
secunia.com / advisories/28636
novell.com / linux/security/advisories/suse_security_summary_report.html
securityfocus.com / bid/27219