The (1) libxl_set_memory_target function in tools/libxl/libxl.c and (2) libxl__build_post function...
Vulnerability 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."
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2015-7972
Credits & Attribution
No credits recorded in the NVD database.
References
- 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
More from xen
View All →Affected Vendor
Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.