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Vulnerability of Linux kernel: denial of service via btree_gc_coalesce

Synthesis of the vulnerability 

An attacker can trigger a fatal error via btree_gc_coalesce() of the Linux kernel, in order to trigger a denial of service.
Impacted systems: Linux.
Severity of this alert: 1/4.
Creation date: 11/05/2020.
Références of this alert: CVE-2020-12771, VIGILANCE-VUL-32225.

Description of the vulnerability 

An attacker can trigger a fatal error via btree_gc_coalesce() of the Linux kernel, in order to trigger a denial of service.
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This vulnerability note impacts software or systems such as Linux.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability 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 computer threat note.

Solutions for this threat 

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