Actu
Vigil@nce - QEMU: NULL pointer dereference via pvrdma_main.c-uar_ops.read
January 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
Impacted products: QEMU.
Severity: 1/4.
Consequences: denial of service on server, denial of service on
service, denial of service on client.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 18/12/2018.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can force a NULL pointer to be
dereferenced via pvrdma_main.c::uar_ops.read of QEMU, in order to
trigger a denial of service on the host system.
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