Vulnerability CVE-2020-14375
Published: 2020-09-30

Description:
A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Virtio ring descriptors, and the data they describe are in a region of memory accessible by from both the virtual machine and the host. An attacker in a VM can change the contents of the memory after vhost_crypto has validated it. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Type:

CWE-367

 (Time-of-check Time-of-use (TOCTOU) Race Condition)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.4/10
6.4/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Opensuse -> LEAP 
DPDK -> Data plane development kit 
Canonical -> Ubuntu linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00006.html
https://bugzilla.redhat.com/show_bug.cgi?id=1879468
https://usn.ubuntu.com/4550-1/
https://www.openwall.com/lists/oss-security/2020/09/28/3
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