Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.9.0 |
| Debian | Debian Linux | 9.0 |
| Netapp | Solidfire \& Hci Management Node | - |
| Netapp | Solidfire \& Hci Storage Node | - |
| Opensuse | Leap | 15.1 |
| Netapp | Hci Compute Node Bios | - |
| Netapp | Hci Compute Node | - |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1883988ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2020/10/msg00028.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20201103-0004/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4774Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSThird Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1883988ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2020/10/msg00028.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20201103-0004/Third Party Advisory
FAQ
What is CVE-2020-25645?
CVE-2020-25645 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 t...
How severe is CVE-2020-25645?
CVE-2020-25645 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-25645?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Netapp Solidfire \& Hci Management Node, Netapp Solidfire \& Hci Storage Node, Opensuse Leap.