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CVE-2015-2752

Date: April 1, 2015

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).

Language: C

Severity Score

Related Resources (13)

http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154574.html
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00018.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154579.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155198.html
http://www.securityfocus.com/bid/73448
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html
https://security-tracker.debian.org/tracker/CVE-2015-2752
https://nvd.nist.gov/vuln/detail/CVE-2015-2752
https://access.redhat.com/security/cve/CVE-2015-2752
https://security.gentoo.org/glsa/201504-04
http://www.securitytracker.com/id/1031994
http://xenbits.xen.org/xsa/advisory-125.html
https://www.mend.io/vulnerability-database/CVE-2015-2752

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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