NULL Pointer Dereference Affecting xen package, versions <4.9.0-r0
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Availability
High
Threat Intelligence
EPSS
0.47% (75th
percentile)
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Test your applications- Snyk ID SNYK-ALPINE314-XEN-1308649
- published 21 Jul 2020
- disclosed 5 Jul 2017
Introduced: 5 Jul 2017
CVE-2017-10917 Open this link in a new tabHow to fix?
Upgrade Alpine:3.14
xen
to version 4.9.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xen
package and not the xen
package as distributed by Alpine
.
See How to fix?
for Alpine:3.14
relevant fixed versions and status.
Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.