High severity · published Oct 13, 2020
CVE-2020-25645
A flaw was found in the Linux kernel in versions before 5.9-rc7
7.5
CVSS
2.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 5.9.0; 5.9.0; 5.9.0; 5.9.0; 5.9.0; 5.9.0; +2 more · source: NVD
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
HC
Hci Compute Node Bios · Netapp
All versions, or not specified · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
SH
Solidfire & Hci Management Node · Netapp
All versions, or not specified · source: NVD
SH
Solidfire & Hci Storage Node · Netapp
All versions, or not specified · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25645
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25645
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html
Third Party Advisory
http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1883988
Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html
Mailing List
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
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