p PatchFirst

CVE-2012-3494

CVE-2012-3494

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

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

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.

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: < 4.1.3-2

    Update to 4.1.3-2

  • xen Debian:13

    Affected ranges
    • ECOSYSTEM: < 4.1.3-2

    Update to 4.1.3-2

  • xen Debian:14

    Affected ranges
    • ECOSYSTEM: < 4.1.3-2

    Update to 4.1.3-2

Original sources

Check your server →