Vigil@nce - Linux kernel: buffer overflow via libertas lbs_ibss_join_existing
January 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Fedora, Linux, Ubuntu.
Severity: 2/4.
Consequences: administrator access/rights, denial of service on
server.
Provenance: radio connection.
Confidence: confirmed by the editor (5/5).
Creation date: 22/11/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a buffer overflow via libertas
lbs_ibss_join_existing() of the Linux kernel, in order to trigger
a denial of service, and possibly to run code.
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