Wind River Support Network


SCP7-540 : Security Advisory - linux - CVE-2017-5669

Created: Feb 27, 2017    Updated: Sep 8, 2018
Resolved Date: Mar 21, 2017
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 7
Component/s: Kernel


The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context.

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