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computer vulnerability note CVE-2017-18595

Linux kernel: use after free via allocate_trace_buffer

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area via allocate_trace_buffer() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted systems: Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this alert: 2/4.
Consequences of an intrusion: administrator access/rights, denial of service on server, denial of service on service.
Pirate's origin: user shell.
Creation date: 11/10/2019.
Références of this alert: CERTFR-2019-AVI-502, CERTFR-2019-AVI-503, CVE-2017-18595, openSUSE-SU-2019:2307-1, openSUSE-SU-2019:2308-1, SUSE-SU-2019:2648-1, SUSE-SU-2019:2651-1, SUSE-SU-2019:2658-1, VIGILANCE-VUL-30599.

Description of the vulnerability

An attacker can force the usage of a freed memory area via allocate_trace_buffer...
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