CVE-2007-1861
The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows...
The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via NETLINK_FIB_LOOKUP replies, which trigger infinite recursion and a stack overflow.
Exploit likelihood
What each source reports
NVD Score used
4.9
The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via NETLINK_FIB_LOOKUP replies, which trigger infinite recursion and a stack overflow.
- Record
CVE-2007-1861- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via NETLINK_FIB_LOOKUP replies, which trigger infinite recursion and a stack overflow.
- Record
CVE-2007-1861- Updated
- 2026-11-02
EUVDEUVD-2007-1855 No score
The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via NETLINK_FIB_LOOKUP replies, which trigger infinite recursion and a stack overflow.
- Record
EUVD-2007-1855- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w936-xhfj-xfpm No score
The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows...
The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via NETLINK_FIB_LOOKUP replies, which trigger infinite recursion and a stack overflow.
- Record
GHSA-w936-xhfj-xfpm- 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 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Linux Kernel 2.6.x - NETLINK_FIB_LOOKUP Local Denial of Service | 2007-04-26 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| aliases | ||
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-1861 is a medium vulnerability (CVSS 4.9) in Linux Kernel, published May 7, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.02%, the 63rd percentile. No source names a fixed version.
References
issues.rpath.com/browse/RPL-1309
redhat.com/support/errata/RHSA-2007-0347.html
securityfocus.com/archive/1/467939/30/6690/threaded
novell.com/linux/security/advisories/2007_43_kernel.html
secunia.com/advisories/25030
securityfocus.com/bid/23677
Show 51 moreShow less
mandriva.com/security/advisories?name=MDKSA-2007:171
kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.8
exchange.xforce.ibmcloud.com/vulnerabilities/34014
debian.org/security/2007/dsa-1289
secunia.com/advisories/25288
secunia.com/advisories/25083
secunia.com/advisories/26620
vupen.com/english/advisories/2007/1595
ubuntu.com/usn/usn-489-1
secunia.com/advisories/25228
securityfocus.com/archive/1/471457
secunia.com/advisories/25961
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11616
bugzilla.redhat.com/bugzilla/show_bug.cgi?id=237913
ubuntu.com/usn/usn-486-1
secunia.com/advisories/25691
secunia.com/advisories/26139
secunia.com/advisories/26133
nvd.nist.gov/vuln/detail/CVE-2007-1861
github.com/advisories/GHSA-w936-xhfj-xfpm
access.redhat.com/errata/RHSA-2007:0347
access.redhat.com/security/updates/classification
bugzilla.redhat.com/show_bug.cgi?id=238046
bugzilla.redhat.com/show_bug.cgi?id=238731
bugzilla.redhat.com/show_bug.cgi?id=238749
bugzilla.redhat.com/show_bug.cgi?id=238944
bugzilla.redhat.com/show_bug.cgi?id=238946
bugzilla.redhat.com/show_bug.cgi?id=238947
bugzilla.redhat.com/show_bug.cgi?id=238948
bugzilla.redhat.com/show_bug.cgi?id=238949
bugzilla.redhat.com/show_bug.cgi?id=238960
security.access.redhat.com/data/csaf/v2/advisories/2007/rhsa-2007_0347.json
access.redhat.com/security/cve/CVE-2007-1496
cve.org/CVERecord?id=CVE-2007-1496
nvd.nist.gov/vuln/detail/CVE-2007-1496
access.redhat.com/security/cve/CVE-2007-1497
cve.org/CVERecord?id=CVE-2007-1497
nvd.nist.gov/vuln/detail/CVE-2007-1497
access.redhat.com/security/cve/CVE-2007-1592
bugzilla.redhat.com/show_bug.cgi?id=243258
cve.org/CVERecord?id=CVE-2007-1592
nvd.nist.gov/vuln/detail/CVE-2007-1592
access.redhat.com/security/cve/CVE-2007-1861
cve.org/CVERecord?id=CVE-2007-1861
access.redhat.com/security/cve/CVE-2007-2172
bugzilla.redhat.com/show_bug.cgi?id=250429
cve.org/CVERecord?id=CVE-2007-2172
nvd.nist.gov/vuln/detail/CVE-2007-2172
access.redhat.com/security/cve/CVE-2007-2242
cve.org/CVERecord?id=CVE-2007-2242
nvd.nist.gov/vuln/detail/CVE-2007-2242