Linux Kernel IPv6 net/ipv6/xfrm6_tunnel.c xfrm6_tunnel_rcv resource management

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel. It has been rated as problematic. This affects the function xfrm6_tunnel_rcv of the file net/ipv6/xfrm6_tunnel.c of the component IPv6. This manipulation causes resource management.
The identification of this vulnerability is CVE-2012-1583. There is no exploit available.
To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability was found in Linux Kernel (Operating System) (version unknown). It has been declared as critical. Affected by this vulnerability is the function xfrm6_tunnel_rcv of the file net/ipv6/xfrm6_tunnel.c of the component IPv6. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:
Double free vulnerability in the xfrm6_tunnel_rcv function in net/ipv6/xfrm6_tunnel.c in the Linux kernel before 2.6.22, when the xfrm6_tunnel module is enabled, allows remote attackers to cause a denial of service (panic) via crafted IPv6 packets.
The weakness was shared 04/29/2007 with Red Hat Security Response Team as confirmed git commit (GIT Repository). It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2012-1583 since 03/12/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 68513 (Oracle Linux 5 : kernel (ELSA-2012-0480-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120121 (Red Hat Update for Kernel (RHSA-2012:0480)).
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.Proper firewalling of IPv6 is able to address this issue. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (68513), SecurityFocus (BID 53139†), OSVDB (81441†), Secunia (SA48881†) and SecurityTracker (ID 1026930†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 68513
Nessus Name: Oracle Linux 5 : kernel (ELSA-2012-0480-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 881158
OpenVAS Name: CentOS Update for kernel CESA-2012:0480 centos5
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: git.kernel.org
Firewalling: 🔍
Timeline
04/29/2007 🔍04/29/2007 🔍
03/12/2012 🔍
04/17/2012 🔍
04/17/2012 🔍
04/18/2012 🔍
04/19/2012 🔍
04/26/2012 🔍
04/26/2012 🔍
06/16/2012 🔍
07/12/2013 🔍
01/02/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Organization: Red Hat Security Response Team
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2012-1583 (🔍)
GCVE (CVE): GCVE-0-2012-1583
GCVE (VulDB): GCVE-100-5299
OVAL: 🔍
IAVM: 🔍
SecurityFocus: 53139 - Linux Kernel 'xfrm6_tunnel_rcv()' Remote Denial of Service Vulnerability
Secunia: 48881 - Red Hat update for kernel, Less Critical
OSVDB: 81441
SecurityTracker: 1026930 - Linux Kernel Bug in xfrm6_tunnel Module Lets Remote Users Deny Service
Vulnerability Center: 34917 - Linux Kernel 2.6 Through 2.6.39-rc6 xfrm6_tunnel.c Use-After-Free Allows Remote Denial of Service, High
Entry
Created: 04/26/2012 16:51Updated: 01/02/2025 15:50
Changes: 04/26/2012 16:51 (75), 04/11/2017 10:52 (15), 03/24/2021 08:26 (3), 01/02/2025 15:50 (20)
Complete: 🔍
Cache ID: 216:EC3:103
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