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Vulnerability of Linux kernel: information disclosure via IPsec Unencrypted GENEVE Tunnels

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via IPsec Unencrypted GENEVE Tunnels of the Linux kernel, in order to obtain sensitive information.
Vulnerable products: Debian, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 2/4.
Creation date: 14/10/2020.
Références of this bulletin: CERTFR-2020-AVI-654, CERTFR-2020-AVI-661, CERTFR-2020-AVI-668, CVE-2020-25645, DSA-4774-1, openSUSE-SU-2020:1682-1, openSUSE-SU-2020:1698-1, RHBUG-1883988, SUSE-SU-2020:2972-1, SUSE-SU-2020:2980-1, SUSE-SU-2020:2981-1, SUSE-SU-2020:2999-1, SUSE-SU-2020:3014-1, VIGILANCE-VUL-33570.

Description of the vulnerability 

An attacker can bypass access restrictions to data via IPsec Unencrypted GENEVE ...
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This threat alert impacts software or systems such as Debian, Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer vulnerability bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of LAN.

An attacker with a expert ability can exploit this weakness note.

Solutions for this threat 

Solutions, fixes, patches and workarounds for this vulnerability are not yet public.
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