CVE-2015-7972
Vulnerability Summary
Timeline
Description
The (1) libxl_set_memory_target function in tools/libxl/libxl.c and (2) libxl__build_post function in tools/libxl/libxl_dom.c in Xen 3.4.x through 4.6.x do not properly calculate the balloon size when using the populate-on-demand (PoD) system, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors related to "heavy memory pressure."
CVSS Metrics
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.43%• Percentile: 36%
Techniques & Countermeasures
- CWE-399•Resource Management Errors
Weaknesses in this category are related to improper management of system resources.
Affected Systems
- debian•xen
< 4.6.0-1 | < 4.6.0-1 | < 4.6.0-1 | < 4.6.0-1
- xen•xen
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 (11)
- 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://xenbits.xen.org/xsa/advisory-153.html
- http://www.securityfocus.com/bid/77365
- 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/1034036
- https://security-tracker.debian.org/tracker/CVE-2015-7972