CVE-2007-1497
nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-1497- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-1497- Updated
- 2026-11-02
EUVDEUVD-2007-1491 No score
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.
- Record
EUVD-2007-1491- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9499-r8hj-4cg4 No score
nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during...
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.
- Record
GHSA-9499-r8hj-4cg4- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linux-2.6Debian:4.0 From an advisory covering 3 CVEs |
before 2.6.18.dfsg.1-12etch2, plus listed versions 2.6.18.dfsg.1-122.6.18.dfsg.1-12etch1 |
2.6.18.dfsg.1-12etch2 |
kernelRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-PAERed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-debuginfo-commonRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-develRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-docRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-headersRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
Show 18 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-xenRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::client From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernelRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-PAERed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-debuginfo-commonRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-develRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-docRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-headersRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-kdumpRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-kdump-develRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-xenRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::server From an advisory covering 6 CVEs |
before 0:2.6.18-8.1.4.el5 | 0:2.6.18-8.1.4.el5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| aliases | ||
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-1497 is a medium vulnerability (CVSS 5.0) in Linux Kernel, published March 16, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.11%, the 87th percentile. No source names a fixed version.
References
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457
redhat.com/support/errata/RHSA-2007-0347.html
ubuntu.com/usn/usn-464-1
novell.com/linux/security/advisories/2007_43_kernel.html
kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3
mandriva.com/security/advisories?name=MDKSA-2007:171
Show 44 moreShow less
vupen.com/english/advisories/2007/0944
debian.org/security/2007/dsa-1289
secunia.com/advisories/25288
osvdb.org/33028
securityfocus.com/bid/23976
nvd.nist.gov/vuln/detail/CVE-2007-1497
github.com/advisories/GHSA-9499-r8hj-4cg4
access.redhat.com/errata/RHSA-2007:0347
bugzilla.redhat.com/show_bug.cgi?id=238046
security.access.redhat.com/data/csaf/v2/advisories/2007/rhsa-2007_0347.json
cve.org/CVERecord?id=CVE-2007-1496