Vigil@nce - Linux kernel: out-of-bounds memory reading via hso_probe
January 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
Impacted products: Linux.
Severity: 1/4.
Consequences: data reading, denial of service on server, denial of
service on service.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 31/12/2018.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via hso_probe()
of the Linux kernel, in order to trigger a denial of service, or
to obtain sensitive information.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Linux-kernel-out-of-bounds-memory-reading-via-hso-probe-28137