Vigil@nce - Linux kernel: buffer overflow via mwifiex_cmd_append_vsie_tlv
July 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.
Consequences: administrator access/rights, denial of service on server, denial of service on service.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 11/05/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a buffer overflow via mwifiex_cmd_append_vsie_tlv() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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