CVE-2007-1861
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…
- 4.9MediumCVSS base score
- 1.0%Exploitation in 30 daysEPSS · top 36% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Linux Kernel 2.6.x - NETLINK_FIB_LOOKUP Local Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 29916dos, linuxpublished 26 Apr 2007Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By redhat
- 33 days later
· 33 days later
Published
- 17 years later
· 17 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Affected products
n/a
- affected n/a
References
24
- https://issues.rpath.com/browse/RPL-1309 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2007:0347 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 20070508 FLEA-2007-0016-1: kernel (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- SUSE-SA:2007:043 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 25030 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 23677 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MDKSA-2007:171 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.8 (opens in a new tab)x_refsource_CONFIRMx_transferred
- kernel-netlinkfiblookup-dos(34014) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- DSA-1289 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 25288 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 25083 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 26620 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2007-1595 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- USN-489-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 25228 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20070615 rPSA-2007-0124-1 kernel xen (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 25961 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:11616 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=237913 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-486-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 25691 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 26139 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 26133 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2007-1855 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2007-1861)Record last updated .