** Changed in: linux-snapdragon (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-snapdragon (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-snapdragon (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-snapdragon (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-snapdragon (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-snapdragon (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-snapdragon (Ubuntu Yakkety)
Status: New => Invalid
** Changed in: linux-snapdragon (Ubuntu Yakkety)
Importance: Undecided => Medium
** Changed in: linux-snapdragon (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-snapdragon (Ubuntu Trusty)
Importance: Undecided => Medium
** Description changed:
- [USERNS allows circumventing MNT_LOCKED]
+ fs/namespace.c in the Linux kernel before 4.0.2 processes MNT_DETACH
+ umount2 system calls without verifying that the MNT_LOCKED flag is
+ unset, which allows local users to bypass intended access restrictions
+ and navigate to filesystem locations beneath a mount by calling umount2
+ within a user namespace.
Break-Fix: - e0c9c0afd2fc958ffa34b697972721d81df8a56f
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https://bugs.launchpad.net/bugs/1447364
Title:
CVE-2014-9717
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