CVE-2009-2698
The udp_sendmsg function in the UDP implementation in (1) net/ipv4/udp.c and (2) net/ipv6/udp.c in the Linux kernel before 2.6.19 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving the MSG_MORE flag and a UDP socket.
Key facts
- CVSS score
- 7.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-476
- EPSS score
- 7.1% (94th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2690)
- Published
- August 27, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2690 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- fedoraproject / fedora
- linux / linux kernel
- redhat / enterprise linux desktop
- redhat / enterprise linux desktop
- redhat / enterprise linux eus
- redhat / enterprise linux eus
- redhat / enterprise linux server
- redhat / enterprise linux server
- redhat / enterprise linux server aus
- redhat / enterprise linux workstation
- redhat / enterprise linux workstation
- suse / linux enterprise desktop
- suse / linux enterprise server
- suse / linux enterprise server
- vmware / esxi
- vmware / vcenter server
Certified products that may be affected
4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical
- Red Hat Enterprise Linux AS, Version 4 Update 4 - Red Hat, Inc. - Common Criteria CCEVS-VR-0035-2006 - archived
- SUSE Linux Enterprise Server Version 9 with Service Pack 2, ProPack 4 for Service Pack 2 and certification-sles-sgi-eal3 package - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0292-2005 - archived
- SuSE Linux Enterprise Server Version 9 with certification-sles-ibm-eal4 package - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0256-2005 - archived
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1e0c14f49d6b393179f423abbac47f85618d3d46(Broken Link)
- http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00008.html(Mailing List, Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2009-1222.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2009-1223.html(Third Party Advisory)
- http://secunia.com/advisories/23073(Broken Link, Vendor Advisory)
- http://secunia.com/advisories/36430(Broken Link, Vendor Advisory)
- http://secunia.com/advisories/36510(Broken Link, Vendor Advisory)
- http://secunia.com/advisories/37105(Broken Link, Vendor Advisory)
- http://secunia.com/advisories/37298(Broken Link, Vendor Advisory)
- http://secunia.com/advisories/37471(Broken Link, Vendor Advisory)
- http://support.avaya.com/css/P8/documents/100067254(Third Party Advisory)
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19(Broken Link, Vendor Advisory)
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:051(Broken Link, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2009/08/25/1(Mailing List)
- http://www.redhat.com/support/errata/RHSA-2009-1233.html(Broken Link, Third Party Advisory)
- http://www.securityfocus.com/archive/1/507985/100/0/threaded(Broken Link, Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/archive/1/512019/100/0/threaded(Broken Link, Third Party Advisory, VDB Entry)
- http://www.securityfocus.com/bid/36108(Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry)
- http://www.securitytracker.com/id?1022761(Broken Link, Third Party Advisory, VDB Entry)
- http://www.ubuntu.com/usn/USN-852-1(Third Party Advisory)
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html(Third Party Advisory)
- http://www.vupen.com/english/advisories/2009/3316(Permissions Required)
- https://bugzilla.redhat.com/show_bug.cgi?id=518034(Issue Tracking, Third Party Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11514(Broken Link, Third Party Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8557(Broken Link, Third Party Advisory)
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9142(Broken Link, Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain