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    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:Sep 16, 2020
    Last Modified:Nov 21, 2024
    EPS:Oct 13, 2020
    EPSS Score:0.00083
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Hci Compute Node
    Vendor
    Netapp
    Product
    Hci Compute Node Bios
    Vendor
    Netapp
    Product
    Solidfire \& Hci Management Node
    Vendor
    Netapp
    Product
    Solidfire \& Hci Storage Node
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Extras Rt

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=1883988https://bugzilla.redhat.com/show_bug.cgi?id=1883988

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html
    http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html
    http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html
    https://bugzilla.redhat.com/show_bug.cgi?id=1883988
    https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html
    https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
    https://security.netapp.com/advisory/ntap-20201103-0004/
    https://www.debian.org/security/2020/dsa-4774
    http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html
    http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html
    http://packetstormsecurity.com/files/161229/Kernel-Live-Patch-Security-Notice-LSN-0074-1.html
    https://bugzilla.redhat.com/show_bug.cgi?id=1883988
    https://lists.debian.org/debian-lts-announce/2020/10/msg00028.html
    https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
    https://security.netapp.com/advisory/ntap-20201103-0004/
    https://www.debian.org/security/2020/dsa-4774

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High