CVE-2020-25645

high

Description

A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.

References

https://www.debian.org/security/2020/dsa-4774

https://security.netapp.com/advisory/ntap-20201103-0004/

https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html

https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html

http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html

Details

Source: Mitre, NVD

Published: 2020-10-13

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High