Vigil@nce - Linux kernel: NULL pointer dereference via TUNSETIFF
June 2019 by Vigil@nce
SYNTHESIS OF THE VULNERABILITY
Impacted products: Linux, openSUSE Leap.
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: 20/05/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a NULL pointer to be dereferenced via TUNSETIFF of the Linux kernel, in order to trigger a denial of service.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Linux-kernel-NULL-pointer-dereference-via-TUNSETIFF-29360