Description
Memory leak in the unshare_userns function in kernel/user_namespace.c in the Linux kernel before 3.10.6 allows local users to cause a denial of service (memory consumption) via an invalid CLONE_NEWUSER unshare call.
References (7)
Core 7
Core References
Exploit, Patch x_refsource_confirm
https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2013/08/06/2
Various Sources x_refsource_misc
http://twitter.com/grsecurity/statuses/364566062336978944
Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.6
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1971-1
Patch x_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6160968cee8b90a5dd95318d716e31d7775c4ef3
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1974-1
Scores
EPSS
0.0011
EPSS Percentile
28.5%
Details
CWE
CWE-399
Status
published
Products (44)
linux/linux_kernel
3.0 rc1 (7 CPE variants)
linux/linux_kernel
3.0.1
linux/linux_kernel
3.0.2
linux/linux_kernel
3.0.3
linux/linux_kernel
3.0.4
linux/linux_kernel
3.0.5
linux/linux_kernel
3.0.6
linux/linux_kernel
3.0.7
linux/linux_kernel
3.0.8
linux/linux_kernel
3.0.9
... and 34 more
Published
Aug 25, 2013
Tracked Since
Feb 18, 2026