Vigil@nce - Linux kernel: NULL pointer dereference via unregister_snap_client
December 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Linux, SUSE Linux Enterprise Desktop, SLES.
Consequences: denial of service on server, denial of service on service.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 25/11/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a NULL pointer to be dereferenced via unregister_snap_client of the Linux kernel, in order to trigger a denial of service.
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