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-vulne...
SYNTHESIS OF THE VULNERABILITY
Impacted products: RHEL.
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.
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