CVE-2015-7971

Xen 3.2.x-4.6.x - Denial of Service via Crafted HYPERCALL_xenoprof_op or HYPERVISOR_xenpmu_op Hypercalls

Title source: llm
STIX 2.1

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.

References (10)

Core 10
Core References
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/77363
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2015/dsa-3414
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201604-03
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1034035
Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-152.html
Vendor Advisory x_refsource_confirm
http://support.citrix.com/article/CTX202404
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html

Scores

EPSS 0.0007
EPSS Percentile 21.2%

Details

CWE
CWE-19
Status published
Products (37)
xen/xen 3.2.0
xen/xen 3.2.1
xen/xen 3.2.2
xen/xen 3.2.3
xen/xen 3.3.0
xen/xen 3.3.1
xen/xen 3.3.2
xen/xen 3.4.0
xen/xen 3.4.1
xen/xen 3.4.2
... and 27 more
Published Oct 30, 2015
Tracked Since Feb 18, 2026