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CVE-2015-7970

The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • n/a n/a

    Version range not reported

References 10

securityfocus.com

support.citrix.com

lists.fedoraproject.org

lists.opensuse.org

securitytracker.com

xenbits.xen.org

debian.org

security.gentoo.org