CVE-2017-17381

Impact:
Low
Public Date:
2017-11-24
CWE:
CWE-369
Bugzilla:
1520782: CVE-2017-17381 Qemu: virtio: divide by zero exception while updating rings

The MITRE CVE dictionary describes this issue as:

The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.

Find out more about CVE-2017-17381 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.3
Base Metrics AV:A/AC:M/Au:S/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 3.4
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
Attack Vector Adjacent Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Changed
Confidentiality None
Integrity Impact None
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 qemu-kvm-rhev Will not fix
Red Hat Enterprise Linux 7 qemu-kvm Not affected
Red Hat Enterprise Linux 7 qemu-kvm-ma Will not fix
Red Hat Enterprise Linux 6 qemu-kvm Not affected
Red Hat Enterprise Linux 5 kvm Not affected
Red Hat Enterprise Linux 5 xen Not affected

Acknowledgements

Red Hat would like to thank Huawei IT Network Security Alpha Lab and Dengzhan Heyuandong Bijunhua and Liweichao (Huawei Inc.) for reporting this issue.

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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