VulnerabilityModified
CVE-2013-4205
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.
MEDIUM 4.7EPSS 0.45%
Does this matter?
Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.7 MEDIUMAV:L/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6160968cee8b90a5dd95318d716e31d7775c4ef3
- http://twitter.com/grsecurity/statuses/364566062336978944
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.6
- http://www.openwall.com/lists/oss-security/2013/08/06/2
- http://www.ubuntu.com/usn/USN-1971-1
- http://www.ubuntu.com/usn/USN-1974-1
- https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3Exploit, Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6160968cee8b90a5dd95318d716e31d7775c4ef3
- http://twitter.com/grsecurity/statuses/364566062336978944
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.6
- http://www.openwall.com/lists/oss-security/2013/08/06/2
- http://www.ubuntu.com/usn/USN-1971-1
- http://www.ubuntu.com/usn/USN-1974-1
- https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3Exploit, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.