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LIN8-8903 : Security Advisory - linux - CVE-2018-7995

Created: Mar 15, 2018    Updated: Dec 3, 2018
Resolved Date: May 24, 2018
Found In Version: 8.0.0.25
Fix Version: 8.0.0.26
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Kernel

Description

Race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (panic) by leveraging root access to write to the check_interval file in a /sys/devices/system/machinecheck/machinecheck<cpu number> directory.

https://nvd.nist.gov/vuln/detail/CVE-2018-7995

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