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CVE-2016-6258

CVE-2016-6258

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.

CVSS 8.8 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • xen Debian:12

    Affected ranges
    • ECOSYSTEM: < 4.8.0~rc3-1

    Update to 4.8.0~rc3-1

  • xen Debian:13

    Affected ranges
    • ECOSYSTEM: < 4.8.0~rc3-1

    Update to 4.8.0~rc3-1

  • xen Debian:14

    Affected ranges
    • ECOSYSTEM: < 4.8.0~rc3-1

    Update to 4.8.0~rc3-1

  • xen Ubuntu:14.04:LTS

    Versions
    • 4.3.0-1ubuntu1
    • 4.3.0-1ubuntu2
    • 4.3.0-1ubuntu3
    • 4.3.0-1ubuntu4
    • 4.3.0-1ubuntu5
    • 4.4.0-0ubuntu3
    • 4.4.0-0ubuntu4
    • 4.4.0-0ubuntu5
    • 4.4.0-0ubuntu5.1
    • 4.4.0-0ubuntu5.2
    • 4.4.1-0ubuntu0.14.04.1
    • 4.4.1-0ubuntu0.14.04.2
    • 4.4.1-0ubuntu0.14.04.3
    • 4.4.1-0ubuntu0.14.04.4
    • 4.4.1-0ubuntu0.14.04.5
    • 4.4.1-0ubuntu0.14.04.6
    • 4.4.2-0ubuntu0.14.04.1
    • 4.4.2-0ubuntu0.14.04.2
    • 4.4.2-0ubuntu0.14.04.3
    • 4.4.2-0ubuntu0.14.04.4
    • 4.4.2-0ubuntu0.14.04.5
    • 4.4.2-0ubuntu0.14.04.6
    Affected ranges
    • ECOSYSTEM: < 4.4.2-0ubuntu0.14.04.7

    Update to 4.4.2-0ubuntu0.14.04.7

  • xen Ubuntu:16.04:LTS

    Versions
    • 4.5.1-0ubuntu1
    • 4.5.1-0ubuntu2
    • 4.6.0-1ubuntu1
    • 4.6.0-1ubuntu2
    • 4.6.0-1ubuntu4
    • 4.6.0-1ubuntu4.1
    Affected ranges
    • ECOSYSTEM: < 4.6.0-1ubuntu4.2

    Update to 4.6.0-1ubuntu4.2

Original sources

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