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"
}