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Last updated: 7/23/2014 10:18:49 PM

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Vulnerability Summary for CVE-2013-1826

Original release date: 03/22/2013
Last revised: 06/04/2013
Source: US-CERT/NIST

Overview

The xfrm_state_netlink function in net/xfrm/xfrm_user.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dump_one_state function calls, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability.

Description

Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.2 (MEDIUM) (AV:L/AC:H/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 1.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
Per https://bugzilla.redhat.com/show_bug.cgi?id=919384 "This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6. Future kernel updates for Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6 may address this issue."

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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=919384
External Source: REDHAT
Name: RHSA-2013:0744
External Source: MLIST
Name: [oss-security] 20130307 Re: CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs
External Source: CONFIRM
Name: https://github.com/torvalds/linux/commit/864745d291b5ba80ea0bd0edcbe67273de368836
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
External Source: UBUNTU
Name: USN-1829-1
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=864745d291b5ba80ea0bd0edcbe67273de368836
Type: Patch Information; Exploit

Technical Details

Vulnerability Type (View All)