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Last updated: 8/21/2014 4:06:33 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-2525

Original release date: 05/08/2007
Last revised: 10/03/2011
Source: US-CERT/NIST

Overview

Memory leak in the PPP over Ethernet (PPPoE) socket implementation in the Linux kernel before 2.6.21-git8 allows local users to cause a denial of service (memory consumption) by creating a socket using connect, and releasing it before the PPPIOCGCHAN ioctl is initialized.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.9 (MEDIUM) (AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: CONFIRM
Name: http://kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.21-git8.log
Type: Patch Information
External Source: BID
Name: 23870
External Source: XF
Name: kernel-pppoe-dos(34150)
External Source: DEBIAN
Name: DSA-1356
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2007-287.htm
External Source: OVAL
Name: oval:org.mitre.oval:def:10594
External Source: UBUNTU
Name: USN-510-1
External Source: SUSE
Name: SUSE-SA:2007:051
External Source: DEBIAN
Name: DSA-1503
External Source: UBUNTU
Name: USN-489-1
External Source: SECUNIA
Name: 26450
Type: Advisory
External Source: UBUNTU
Name: USN-486-1
External Source: SECUNIA
Name: 25163
Type: Advisory; Patch Information
External Source: SECUNIA
Name: 26664
Type: Advisory
External Source: VUPEN
Name: ADV-2007-1703
Type: Advisory
External Source: SECUNIA
Name: 27227
Type: Advisory
External Source: REDHAT
Name: RHSA-2007:0488
Type: Advisory
External Source: SECUNIA
Name: 25838
Type: Advisory
External Source: SECUNIA
Name: 26133
Type: Advisory
External Source: SUSE
Name: SUSE-SA:2007:053
External Source: MANDRIVA
Name: MDKSA-2007:196
External Source: SECUNIA
Name: 26289
Type: Advisory
External Source: SECUNIA
Name: 26620
Type: Advisory
External Source: MANDRIVA
Name: MDKSA-2007:171
External Source: SECUNIA
Name: 25700
Type: Advisory
External Source: MANDRIVA
Name: MDKSA-2007:216
External Source: DEBIAN
Name: DSA-1504
External Source: SECUNIA
Name: 26139
Type: Advisory
External Source: SECUNIA
Name: 29058
Type: Advisory
External Source: REDHAT
Name: RHSA-2007:0376
Type: Advisory

References to Check Content

Identifier: oval:org.mitre.oval:def:10594
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

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