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vulnerability bulletin CVE-2019-14283

Linux kernel: out-of-bounds memory reading via set_geometry

Synthesis of the vulnerability

An attacker can force a read at an invalid address via set_geometry() of the Linux kernel, in order to trigger a denial of service, or to obtain sensitive information.
Impacted systems: Debian, Linux, openSUSE Leap, Slackware, SUSE Linux Enterprise Desktop, SLES.
Severity of this alert: 1/4.
Consequences of an intrusion: data reading, denial of service on server.
Pirate's origin: user shell.
Creation date: 29/07/2019.
Références of this alert: CERTFR-2019-AVI-376, CERTFR-2019-AVI-381, CERTFR-2019-AVI-392, CVE-2019-14283, DLA-1884-1, DLA-1885-1, DSA-4495-1, DSA-4497-1, openSUSE-SU-2019:1923-1, openSUSE-SU-2019:1924-1, SSA:2019-226-01, SUSE-SU-2019:2068-1, SUSE-SU-2019:2069-1, SUSE-SU-2019:2070-1, SUSE-SU-2019:2071-1, SUSE-SU-2019:2072-1, SUSE-SU-2019:2073-1, VIGILANCE-VUL-29903.

Description of the vulnerability

An attacker can force a read at an invalid address via set_geometry() of the Linux kernel, in order to trigger a denial of service, or to obtain sensitive information.
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