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Vulnerability of Linux kernel: out-of-bounds memory reading via f2fs_build_segment_manager

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via f2fs_build_segment_manager() of the Linux kernel, in order to trigger a denial of service, or to obtain sensitive information.
Impacted software: Linux.
Severity of this computer vulnerability: 1/4.
Creation date: 09/12/2019.
Références of this announce: CVE-2019-19449, VIGILANCE-VUL-31096.

Description of the vulnerability 

An attacker can force a read at an invalid address via f2fs_build_segment_manager() of the Linux kernel, in order to trigger a denial of service, or to obtain sensitive information.
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This computer threat impacts software or systems such as Linux.

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

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

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this cybersecurity weakness.

Solutions for this threat 

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