CVE-2015-7972
Low
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."
SeverityLow
CVSS2.1
Exploit probability—
ProductXen
PublishedOct 30, 2015
First seenOct 30, 2015
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| 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 | — |
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