CVE-2020-25645

unknown
Published — · Modified —
CVSS v3
CVSS v2
VIR risk

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-25645

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-25645.html

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed5.8.14-1
debian debianbullseyefixed5.8.14-1
debian debianforkyfixed5.8.14-1
debian debiansidfixed5.8.14-1
debian debiantrixiefixed5.8.14-1

References

Verify integrity in audit chain (admin only). AS-IS.