CVE-2013-4205

medium

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

https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3

https://euvd.enisa.europa.eu/vulnerability/EUVD-2013-4110

http://www.ubuntu.com/usn/USN-1974-1

http://www.ubuntu.com/usn/USN-1971-1

http://www.openwall.com/lists/oss-security/2013/08/06/2

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.6

http://twitter.com/grsecurity/statuses/364566062336978944

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6160968cee8b90a5dd95318d716e31d7775c4ef3

Details

Source: Mitre, NVD

Published: 2013-08-25

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.7

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H