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Vulnerability of Linux kernel: memory corruption via perf_mmap_close

Synthesis of the vulnerability 

An attacker can trigger a memory corruption via perf_mmap_close() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this alert: 2/4.
Creation date: 04/11/2020.
Références of this alert: CERTFR-2020-AVI-711, CERTFR-2020-AVI-741, CERTFR-2020-AVI-750, CERTFR-2020-AVI-764, CVE-2020-14351, openSUSE-SU-2020:1906-1, SUSE-SU-2020:3122-1, SUSE-SU-2020:3272-1, SUSE-SU-2020:3281-1, SUSE-SU-2020:3326-1, SUSE-SU-2020:3484-1, SUSE-SU-2020:3491-1, VIGILANCE-VUL-33803.

Description of the vulnerability 

An attacker can trigger a memory corruption via perf_mmap_close() of the Linux k...
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This weakness bulletin impacts software or systems such as Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

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

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 vulnerability announce.

Solutions for this threat 

This vulnerability workaround will be public soon.
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