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Linux kernel: use after free via smp_task_timedout
Synthesis of the vulnerability
An attacker can force the usage of a freed memory area via smp_task_timedout() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Impacted products: Linux, SUSE Linux Enterprise Desktop, SLES.
Severity of this bulletin: 2/4.
Consequences of an intrusion: administrator access/rights, denial of service on server.
Hacker's origin: user shell.
Creation date: 12/07/2019.
Références of this threat: CERTFR-2019-AVI-330, CVE-2018-20836, SUSE-SU-2019:1823-1, SUSE-SU-2019:1823-2, VIGILANCE-VUL-29763.
Description of the vulnerability
An attacker can force the usage of a freed memory area via smp_task_timedout() o...
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