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CVE-2013-6431

Date: December 9, 2013

The fib6_add function in net/ipv6/ip6_fib.c in the Linux kernel before 3.11.5 does not properly implement error-code encoding, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability for an IPv6 SIOCADDRT ioctl call.

Language: C

Severity Score

Related Resources (10)

https://github.com/torvalds/linux/commit/ae7b4e1f213aa659aedf9c6ecad0bf5f0476e1e2
http://www.openwall.com/lists/oss-security/2013/12/06/5
https://nvd.nist.gov/vuln/detail/CVE-2013-6431
https://bugzilla.redhat.com/show_bug.cgi?id=1039054
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ae7b4e1f213aa659aedf9c6ecad0bf5f0476e1e2
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.5
https://people.canonical.com/~ubuntu-security/cve/CVE-2013-6431
http://rhn.redhat.com/errata/RHSA-2014-0100.html
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
https://www.mend.io/vulnerability-database/CVE-2013-6431

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

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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