Vigil@nce - Linux kernel: privilege escalation via dev_map_init_map
March 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Linux.
Severity: 1/4.
Consequences: administrator access/rights, privileged
access/rights.
Provenance: privileged shell.
Confidence: confirmed by the editor (5/5).
Creation date: 10/03/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via dev_map_init_map() of the
Linux kernel, in order to escalate his privileges.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Linux-kernel-privilege-escalation-via-dev-map-init-map-34801