** 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:
- [ns: user namespaces panic -- lack of state identification]
+ The collect_mounts function in fs/namespace.c in the Linux kernel before
+ 4.0.5 does not properly consider that it may execute after a path has
+ been unmounted, which allows local users to cause a denial of service
+ (system crash) by leveraging user-namespace root access for an
+ MNT_DETACH umount2 system call.
Break-Fix: ce07d891a0891d3c0d0c2d73d577490486b809e1
cd4a40174b71acd021877341684d8bb1dc8ea4ae
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https://bugs.launchpad.net/bugs/1462249
Title:
CVE-2015-4177
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