CVE-2015-7970

Home/CVE/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 a

CVE

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 a

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.

MEDIUM · CVSS 4.9 EPSS 0.00072

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No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Affected Products & Versions

xenall versions

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Scoring & Timeline

4.9

MEDIUM · CVSS v2 (legacy) · cve@mitre.org

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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Published to NVD30 Oct 2015 · 03:59 PM

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Vendor Advisories

suse-csafopenSUSE-SU-2024:10196-1
suse-csafSUSE-SU-2015:2338-1
suse-csafSUSE-SU-2015:2326-1
suse-csafSUSE-SU-2015:2328-1
suse-csafSUSE-SU-2015:2306-1

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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

Show all 10 references

http://www.securityfocus.com/bid/77362

http://www.securitytracker.com/id/1034034

http://xenbits.xen.org/xsa/advisory-150.htmlVendor Advisory

https://security.gentoo.org/glsa/201604-03

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