CVE-2015-7970

MediumCVSS 4.9/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 2.0 4.9/10AV:L/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-399

Affected software

No affected versions have been published.

Timeline

Published: Oct 30, 2015
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2015

CVE-2015-79712.1Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows CVE-2015-79722.1The (1) libxl_set_memory_target function in tools/libxl/libxl.c and (2) libxl__build_post function in tools/libxl/libxl_dom.c in Xen 3.4.x t CVE-2015-79736.5NTP before 4.2.8p6 and 4.3.x before 4.3.90, when configured in broadcast mode, allows man-in-the-middle attackers to conduct replay attacks CVE-2015-79747.7NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might al CVE-2015-79756.2The nextvar function in NTP before 4.2.8p6 and 4.3.x before 4.3.90 does not properly validate the length of its input, which allows an attac CVE-2015-79764.3The ntpq saveconfig command in NTP 4.1.2, 4.2.x before 4.2.8p6, 4.3, 4.3.25, 4.3.70, and 4.3.77 does not properly filter special characters,CVE-2015-79775.9ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntp CVE-2015-79787.5NTP before 4.2.8p6 and 4.3.0 before 4.3.90 allows a remote attackers to cause a denial of service (stack exhaustion) via an ntpdc relist com CVE-2015-79797.5NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (client-server association tear down) by sen CVE-2015-79806.1Cross-site scripting (XSS) vulnerability in the Compass Rose module 6.x-1.x before 6.x-1.1 for Drupal allows remote attackers to inject arbi CVE-2015-79815.0The png_convert_to_rfc1123 function in png.c in libpng 1.0.x before 1.0.64, 1.2.x before 1.2.54, and 1.4.x before 1.4.17 allows remote attac CVE-2015-79846.8Multiple cross-site request forgery (CSRF) vulnerabilities in Horde before 5.2.8, Horde Groupware before 5.2.11, and Horde Groupware Webmail