Vigil@nce - Linux kernel: denial of service via FUSE Filesystem PID Namespace Mounting
September 2020 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: denial of service on server, denial of service on
service, denial of service on client.
– Provenance: privileged shell.
– Confidence: confirmed by the editor (5/5).
– Creation date: 25/08/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a fatal error via FUSE Filesystem PID
Namespace Mounting of the Linux kernel, in order to trigger a
denial of service.
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