1. Home
  2. CVE Database
  3. CVE-2015-7972
LOW · 2.1

CVE-2015-7972

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...

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."

CVSS Score

2.1

LOW

AV:L/AC:L/Au:N/C:N/I:N/A:P
Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL

Affected Products

VendorProductVersions
XenXen3.4.0

Related Weaknesses (CWE)

CWE-399

References

FAQ

What is CVE-2015-7972?

CVE-2015-7972 is a vulnerability with a CVSS score of 2.1 (LOW). 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...

How severe is CVE-2015-7972?

CVE-2015-7972 has been rated LOW with a CVSS base score of 2.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-7972?

Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.