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Vigil@nce - RHEL 8: information disclosure via /proc/sys/kernel/rh_features

November 2020 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability

SYNTHESIS OF THE VULNERABILITY

Impacted products: RHEL.

Severity: 1/4.

Consequences: data reading.

Provenance: user shell.

Confidence: confirmed by the editor (5/5).

Creation date: 04/11/2020.

DESCRIPTION OF THE VULNERABILITY

A local attacker can read a memory fragment via
/proc/sys/kernel/rh_features of RHEL 8, in order to obtain
sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/RHEL-8-information-disclosure-via-proc-sys-kernel-rh-features-33784


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