CVE-2012-3494

Source
https://nvd.nist.gov/vuln/detail/CVE-2012-3494
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2012-3494.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2012-3494
Related
Published
2012-11-23T20:55:03Z
Modified
2025-04-11T00:51:21Z
Summary
[none]
Details

The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.

References

Affected packages

Debian:11 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.3-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.3-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / xen

Package

Name
xen
Purl
pkg:deb/debian/xen?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.1.3-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}