Unscored severity · published Oct 30, 2015
CVE-2015-7970
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…
–
CVSS
0.4%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
3.4.0; 3.4.1; 3.4.2; 3.4.3; 3.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-7970
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-7970
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
support.citrix.com
http://support.citrix.com/article/CTX202404
www.debian.org
http://www.debian.org/security/2015/dsa-3414
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