CVE-2017-12134
High
Description
The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Xen
PublishedAug 24, 2017
First seenAug 24, 2017
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xen xen | No range specified | — |
| citrix xenserver | 6.0.2, 6.2.0, 6.5, 7.0, 7.1, 7.2 | — |
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