Linux kernel ipip6_rcv function denial of service
| linux-kernel-ipip6rcv-dos (42451) |  Low Risk |
Description:
The Linux kernel is vulnerable to a denial of service, caused by a memory leak in the ipip6_rcv function. By sending a specially-crafted packet to the IPv6 over IPv4 (SIT) tunnel device, a remote attacker could cause the utilization of all memory resources.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 3.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of the Linux kernel (2.6.25.3 or later), available from The Linux Kernel Archives Web site. See References.
References:
- linux-netdev Mailing List, 2008-05-09 4:49:27: When should kfree_skb be used?.
- The Linux Kernel Archives Web site: The Linux Kernel Archives.
- ASA-2008-362: kernel security and bug fix update (RHSA-2008-0607)
- ASA-2009-005: kernel security update (RHSA-2009-0001)
- ASA-2009-035: kernel security update (RHSA-2008-0787)
- BID-29235: Linux Kernel 'ipip6_rcv()' Remote Denial of Service Vulnerability
- CVE-2008-2136: Memory leak in the ipip6_rcv function in net/ipv6/sit.c in the Linux kernel 2.4 before 2.4.36.5 and 2.6 before 2.6.25.3 allows remote attackers to cause a denial of service (memory consumption) via network traffic to a Simple Internet Transition (SIT) tunnel interface, related to the pskb_may_pull and kfree_skb functions, and management of an skb reference count.
- DSA-1588: linux-2.6 -- denial of service
- MDVSA-2008:167: kernel
- MDVSA-2008:174: kernel
- RHSA-2008-0585: Important: kernel security and bug fix update
- RHSA-2008-0607: Important: kernel security and bug fix update
- RHSA-2008-0612: Important: kernel security and bug fix update
- RHSA-2008-0787: Important: kernel security update
- RHSA-2008-0973: Important: kernel security and bug fix update
- RHSA-2009-0001: Important: kernel security update
- SA30241: Linux Kernel Multiple Vulnerabilities
- SA30499: Linux Kernel Denial of Service Vulnerabilities
- SA31689: Avaya Products Linux Kernel Local Denial of Service
- SECTRACK ID: 1020118: Linux Kernel Memory Leak in SIT Code ipip6_rcv() Lets Remote Users Deny Service
- SUSE-SA:2008:030: Linux kernel security update
- SUSE-SA:2008:032: SUSE Linux Enterprise 10 SP1 Linux kernel
- USN-625-1: Linux kernel vulnerabilities
- VUPEN/ADV-2008-1543: Linux Kernel Denial of Service and Security Bypass Vulnerabilities
- VUPEN/ADV-2008-1716: Linux Kernel Security Update Fixes Denial of Service Vulnerabilities
Platforms Affected:
- Canonical Ubuntu 6.06 LTS
- Canonical Ubuntu 7.04
- Canonical Ubuntu 7.10
- Canonical Ubuntu 8.04 LTS
- Debian Debian Linux 4.0
- Linux Kernel 2.6.25
- Linux Kernel 2.6.25.1
- Linux Kernel 2.6.25.2
- MandrakeSoft Mandrake Linux 2008.1 X86_64
- MandrakeSoft Mandrake Linux 2008.1
- MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 4.0
- Novell OpenSUSE 10.2
- Novell OpenSUSE 10.3
- Novell SLE SDK 10 SP1
- Novell SUSE Linux Enterprise 10 SP1 DEBUGINFO
- Novell SUSE Linux Enterprise Desktop 10 SP1
- Novell SUSE Linux Enterprise Server 10 SP1
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 3 Desktop
- RedHat Enterprise Linux 3 WS
- RedHat Enterprise Linux 3 ES
- RedHat Enterprise Linux 3 AS
- RedHat Enterprise Linux 4 AS
- RedHat Enterprise Linux 4 ES
- RedHat Enterprise Linux 4 WS
- RedHat Enterprise Linux 4 Desktop
- RedHat Enterprise Linux 5
- RedHat Enterprise Linux 5 Client
- RedHat Linux Advanced Workstation 2.1 Itanium
Reported:
May 09, 2008
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.