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CVE-2013-4205

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Date: August 24, 2013

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.

Language: C

Severity Score

Related Resources (10)

http://www.openwall.com/lists/oss-security/2013/08/06/2
http://twitter.com/grsecurity/statuses/364566062336978944
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6160968cee8b90a5dd95318d716e31d7775c4ef3
https://people.canonical.com/~ubuntu-security/cve/CVE-2013-4205
http://www.ubuntu.com/usn/USN-1974-1
http://www.ubuntu.com/usn/USN-1971-1
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.6
https://nvd.nist.gov/vuln/detail/CVE-2013-4205
https://github.com/torvalds/linux/commit/6160968cee8b90a5dd95318d716e31d7775c4ef3
https://www.mend.io/vulnerability-database/CVE-2013-4205

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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