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LIN6-8673 : Security Advisory - linux - CVE-2014-7975

Created: Oct 30, 2014    Updated: Dec 3, 2018
Resolved Date: Dec 25, 2014
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 6
Component/s: Kernel


The do_umount function in fs/namespace.c in the Linux kernel through 3.17 does not require the CAP_SYS_ADMIN capability for do_remount_sb calls that change the root filesystem to read-only, which allows local users to cause a denial of service (loss of writability) by making certain unshare system calls, clearing the / MNT_LOCKED flag, and making an MNT_FORCE umount system call.

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