Vulnerability CVE-2020-10725
Published: 2020-05-20

Description:
A flaw was found in DPDK version 19.11 and above that allows a malicious guest to cause a segmentation fault of the vhost-user backend application running on the host, which could result in a loss of connectivity for the other guests running on that host. This is caused by a missing validity check of the descriptor address in the function `virtio_dev_rx_batch_packed()`.

Type:

CWE-665

 (Improper Initialization)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
DPDK -> Data plane development kit 

 References:
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00045.html
https://bugs.dpdk.org/show_bug.cgi?id=270
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10725
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HRHKFVV4MRWNNJOYQOVP64L4UVWYPEO4/
https://www.openwall.com/lists/oss-security/2020/05/18/2
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