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This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert

SYNTHESIS OF THE VULNERABILITY

– Impacted products: QEMU.
– Severity: 2/4.
– Consequences: administrator access/rights, privileged
access/rights, denial of service on server, denial of service on
service.
– Provenance: user shell.
– Confidence: confirmed by the editor (5/5).
– Creation date: 21/07/2020.

DESCRIPTION OF THE VULNERABILITY

An attacker, inside a guest system, can force the usage of a freed
memory area via e1000e of QEMU, in order to trigger a denial of
service, and possibly to run code on the host system.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/QEMU-use-after-free-via-e1000e-32892