Vigil@nce - Linux kernel: information disclosure via Powerpc Spectre-RSB
December 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora, Linux, SUSE Linux Enterprise Desktop,
SLES.
Severity: 1/4.
Consequences: data reading.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 28/11/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass access restrictions to data via Powerpc
Spectre-RSB of the Linux kernel, in order to obtain sensitive
information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Linux-kernel-information-disclosure-via-Powerpc-Spectre-RSB-31018