Vulnerability Monitor

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CVE-2017-10917

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.

Published

2017-07-05T01:29:00.737

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.1 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

9.2

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	xen	xen	≤ 4.8.1	Yes

References

http://www.debian.org/security/2017/dsa-3969 ([email protected])
http://www.securityfocus.com/bid/99157 ([email protected])
http://www.securitytracker.com/id/1038731 ([email protected])
https://security.gentoo.org/glsa/201708-03 ([email protected])
https://xenbits.xen.org/xsa/advisory-221.html Mailing List, Mitigation, Third Party Advisory ([email protected])
http://www.debian.org/security/2017/dsa-3969 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/99157 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038731 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201708-03 (af854a3a-2127-422b-91ae-364da2661108)
https://xenbits.xen.org/xsa/advisory-221.html Mailing List, Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)