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Vigil@nce - QEMU: use after free via e1000e

September 2020 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...

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/...




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