Description
nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets, which leaves the default value as IP_CT_ESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments.
References (17)
Core 17
Core References
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457
Vendor Advisory vendor-advisory
x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2007-0347.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-464-1
Vendor Advisory vendor-advisory
x_refsource_suse
http://www.novell.com/linux/security/advisories/2007_43_kernel.html
Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3
Vendor Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
Third Party Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2007/0944
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2007/dsa-1289
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/25288
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/26620
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/25228
Vendor Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/25961
Patch, Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/24492
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/25392
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://www.osvdb.org/33028
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/23976
Scores
EPSS
0.0302
EPSS Percentile
86.2%
Details
Status
published
Products (1)
linux/linux_kernel
< 2.6.20.2
Published
Mar 16, 2007
Tracked Since
Feb 18, 2026