Unscored severity · published Dec 17, 2015
CVE-2015-8338
Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly…
–
CVSS
0.4%
EPSS
No
On KEV
Description
Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
through 4.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8338
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8338
www.debian.org
http://www.debian.org/security/2016/dsa-3633
www.securityfocus.com
http://www.securityfocus.com/bid/78920
www.securitytracker.com
http://www.securitytracker.com/id/1034390
Vendor Advisory
http://xenbits.xen.org/xsa/advisory-158.html
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