Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cd4a40174b71acd021877341684d8bb1dc8ea4ae
- http://openwall.com/lists/oss-security/2015/05/29/5
- https://bugzilla.redhat.com/show_bug.cgi?id=1248486
- https://github.com/torvalds/linux/commit/cd4a40174b71acd021877341684d8bb1dc8ea4ae
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5
- http://openwall.com/lists/oss-security/2015/05/29/10
- http://www.openwall.com/lists/oss-security/2015/06/04/5
ADP enrichment
No English description supplied.
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cd4a40174b71acd021877341684d8bb1dc8ea4ae
- http://openwall.com/lists/oss-security/2015/05/29/5
- https://bugzilla.redhat.com/show_bug.cgi?id=1248486
- https://github.com/torvalds/linux/commit/cd4a40174b71acd021877341684d8bb1dc8ea4ae
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.5
- http://openwall.com/lists/oss-security/2015/05/29/10
- http://www.openwall.com/lists/oss-security/2015/06/04/5