Vigil@nce - Linux kernel: use after free via rsi_mac80211_detach
October 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, Linux, openSUSE Leap, SUSE Linux
Enterprise Desktop, SLES.
Severity: 1/4.
Consequences: administrator access/rights, privileged
access/rights, user access/rights, 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: 25/09/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force the usage of a freed memory area via
rsi_mac80211_detach() of the Linux kernel, in order to trigger a
denial of service, and possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Linux-kernel-use-after-free-via-rsi-mac80211-detach-30403