Candidate: CVE-2015-7971
PublicDate: 2015-10-30 15:59:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7971
 http://xenbits.xen.org/xsa/advisory-152.html
Description:
 Xen 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
 local guests to cause a denial of service via a sequence of crafted (1)
 HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the
 do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op
 hypercalls, which are not properly handled in the do_xenpmu_op function in
 arch/x86/cpu/vpmu.c.
Ubuntu-Description:
Notes:
Bugs:
Priority: low
Discovered-by: Jan Beulich
Assigned-to:
CVSS: 

Patches_xen:
Tags_xen: universe-binary
upstream_xen: needs-triage
precise_xen: released (4.1.6.1-0ubuntu0.12.04.7)
trusty_xen: released (4.4.2-0ubuntu0.14.04.3)
trusty/esm_xen: DNE (trusty was released [4.4.2-0ubuntu0.14.04.3])
vivid_xen: released (4.5.0-1ubuntu4.3)
wily_xen: released (4.5.1-0ubuntu1.1)
devel_xen: released (4.5.1-0ubuntu2)