Vulnerability in Linux Kernel
CVE-2020-25645
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.024 (84.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Linux Kernel — versions 5.9.0
- NetApp Hci Compute Node
- NetApp Hci Compute Node Bios
- NetApp Solidfire \& Hci Management Node
- NetApp Solidfire \& Hci Storage Node
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 9.0, 10.0
- openSUSE Leap — versions 15.1, 15.2
- Kernel — versions Linux kernel versions before 5.9-rc7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Exploit, Patch, Issue Tracking, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4774 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/10/msg00028.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20201103-0004/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/12/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-25645?
- CVE-2020-25645 is a high-severity vulnerability in Linux Kernel, classified under Cleartext Transmission of Sensitive Information. CVSS score: 7.5/10. Published 2020-10-13.
- How severe is CVE-2020-25645?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-25645 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.