Cleartext Transmission of Sensitive Information Affecting linux-4.19 package, versions <4.19.152-1~deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.72% (81st percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-1023003
  • published9 Oct 2020
  • disclosed13 Oct 2020

Introduced: 9 Oct 2020

CVE-2020-25645  (opens in a new tab)
CWE-319  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.152-1~deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-4.19 package and not the linux-4.19 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

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 Base Scores

version 3.1