CVE-2015-7971
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.07%• Percentile: 21%
Techniques & Countermeasures
- CWE-19•Data Processing Errors
Weaknesses in this category are typically found in functionality that processes data. Data processing is the manipulation of input to retrieve or save information.
Affected Systems
- xen•xen
3.2.0 | 3.2.1 | 3.2.2 | 3.2.3 | 3.3.0 | 3.3.1 | 3.3.2 | 3.4.0 | 3.4.1 | 3.4.2 | 3.4.3 | 3.4.4 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6.1 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.3.0 | 4.3.1 | 4.3.2 | 4.3.4 | 4.4.0 | 4.4.1 | 4.5.0 | 4.5.1 | 4.6.0
References (10)
- http://support.citrix.com/article/CTX202404
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html
- http://www.securityfocus.com/bid/77363
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html
- http://www.debian.org/security/2015/dsa-3414
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html
- https://security.gentoo.org/glsa/201604-03
- http://www.securitytracker.com/id/1034035
- http://xenbits.xen.org/xsa/advisory-152.html