CVE-2015-2752

Home/CVE/The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preempti

CVE

The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preempti

The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).

MEDIUM · CVSS 4.9 EPSS 0.00122

Monitor

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

Sigma rules0 YARA rules0

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Weakness Classification

CWE-20Improper Input Validation

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Affected Products & Versions

fedoraproject fedoraall versions

xenall versions

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Scoring & Timeline

4.9

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

View on NVD

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 NVD01 Apr 2015 · 02:59 PM

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Vendor Advisories

suse-csafSUSE-SU-2015:0923-1

suse-csafSUSE-SU-2015:0701-1

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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-April/154574.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html

http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html

http://www.securityfocus.com/bid/73448

Show all 9 references

http://www.securitytracker.com/id/1031994Third Party AdvisoryVDB Entry

http://xenbits.xen.org/xsa/advisory-125.htmlPatchVendor Advisory

https://security.gentoo.org/glsa/201504-04

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