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Vulnerability of Linux kernel: NULL pointer dereference via relay_open

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via relay_open() of the Linux kernel, in order to trigger a denial of service.
Impacted software: Linux.
Severity of this computer vulnerability: 1/4.
Creation date: 02/12/2019.
Références of this announce: CVE-2019-19462, VIGILANCE-VUL-31036.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via relay_open() of the Linux kernel, in order to trigger a denial of service.
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This weakness impacts software or systems such as Linux.

Our Vigil@nce team determined that the severity of this vulnerability announce is low.

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

An attacker with a expert ability can exploit this threat bulletin.

Solutions for this threat 

Linux kernel: patch for relay_open.
A patch is indicated in information sources.
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