83665 : Linux Kernel net/ipv6/netfilter/nf_conntrack_reasm.c nf_ct_frag6_reasm() Function NULL Pointer Dereference Malformed Packet Parsing Remote DoS
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Timeline

Disclosure Date
2012-07-10

Description

Linux Kernel contains a flaw that may allow a remote denial of service. The issue is triggered when a NULL pointer dereference occurs in the nf_ct_frag6_reasm() function in net/ipv6/netfilter/nf_conntrack_reasm.c. This will result in a loss of availability for the system via a specially crafted packet.

Classification

Location: Remote / Network Access
Impact: Loss of Availability
Solution: Patch / RCS
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Red Hat has released a patch to address this vulnerability. Check the Red Hat Security Advisory in the references section.

Products

Linux Kernel Organization, Inc.
Kernel
Unspecified

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 7.8
Source: nvd.nist.gov | Generated: 2012-08-09 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_2

Comments

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