81441 : Linux Kernel net/ipv6/xfrm6_tunnel.c xfrm6_tunnel_rcv() Function Use-after-free IPv6 Packet Parsing Remote DoS
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Timeline

Disclosure Date
2007-04-29

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2012-1583" target="_blank">CVE</a>)</em> : 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.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Patch / RCS, Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, a patch has been committed to the CVS/GIT repository that addresses this vulnerability. Red Hat has also released update packages. Check the vendor advisory or solution URL in the references section.

Products

Unknown or Incomplete

References

Security Tracker: 1026930
CVE ID: 2012-1583 (see also: NVD)
Secunia Advisory ID: 48881 49402 49861 50476
Bugtraq ID: 53139
Vendor Specific News/Changelog Entry: http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d0772b70faaf8e9f2013b6c4273d94d5eac8047a
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03315912
http://wiki.openvz.org/Download/kernel/rhel5/028stab101.1
https://bugzilla.redhat.com/show_bug.cgi?id=752304
https://github.com/torvalds/linux/commit/d0772b70faaf8e9f2013b6c4273d94d5eac8047a
Vendor Specific Solution URL: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d0772b70
Packet Storm: http://packetstormsecurity.org/files/113582/HP-Security-Bulletin-HPSBMU02776-SSRT100852.html
Vendor Specific Advisory URL: http://www.vmware.com/security/advisories/VMSA-2012-0013.html
RedHat RHSA: RHSA-2012:0480

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2012-06-18 | Disagree?

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