Vigil@nce - Linux kernel: out-of-bounds memory reading via nl80211_policy
January 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
An attacker can force a read at an invalid address via
nl80211_polic of the Linux kernel, in order to trigger a denial of
service, or to obtain sensitive information.
Impacted products: Android OS, Linux, openSUSE Leap, SUSE Linux
Enterprise Desktop, SLES.
Severity: 1/4.
Consequences: data reading, denial of service on server.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 13/01/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
nl80211_policy of the Linux kernel, in order to trigger a denial
of service, or to obtain sensitive information.
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