Vigil@nce - QEMU: read-write access via virtiofsd
March 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: QEMU, RHEL.
Severity: 2/4.
Consequences: data reading, data creation/edition, data deletion.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 22/01/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can bypass access restrictions
via virtiofsd of QEMU, in order to read or alter data on the host
system.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/QEMU-read-write-access-via-virtiofsd-34401