CVE-2016-4480

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Source
https://nvd.nist.gov/vuln/detail/CVE-2016-4480
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-4480.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2016-4480
Related
Published
2016-05-18T14:59:05Z
Modified
2024-09-18T01:00:22Z
Severity
  • 8.4 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

The guestwalktables function in arch/x86/mm/guest_walk.c in Xen 4.6.x and earlier does not properly handle the Page Size (PS) page table entry bit at the L4 and L3 page table levels, which might allow local guest OS users to gain privileges via a crafted mapping of memory.

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
4.8.0~rc3-1

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
4.8.0~rc3-1

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
4.8.0~rc3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}