CVE-2015-7970
First published: Fri Oct 30 2015(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen Xen | =3.4.0 | |
| Xen Xen | =3.4.1 | |
| Xen Xen | =3.4.2 | |
| Xen Xen | =3.4.3 | |
| Xen Xen | =3.4.4 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
- http://support.citrix.com/article/CTX202404
- http://www.debian.org/security/2015/dsa-3414
- http://www.securityfocus.com/bid/77362
- http://www.securitytracker.com/id/1034034
- http://xenbits.xen.org/xsa/advisory-150.html
- https://security.gentoo.org/glsa/201604-03
- collector/nvd-index
- agent/severity
- agent/author
- agent/weakness
- agent/references
- agent/type
- agent/description
- agent/event
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/xen
- canonical/xen xen
- version/xen xen/3.4.0
- version/xen xen/3.4.1
- version/xen xen/3.4.2
- version/xen xen/3.4.3
- version/xen xen/3.4.4