CVE DATABASE / CVE-2009-2698
CVE-2009-2698
CVSS 7.8 · HIGH
Summary
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.
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Linux linux kernelCanonical ubuntu linuxSuse linux enterprise desktopSuse linux enterprise serverFedoraproject fedoraRedhat enterprise linux desktopRedhat enterprise linux eusRedhat enterprise linux serverRedhat enterprise linux server ausRedhat enterprise linux workstationVmware vcenter serverVmware esxi
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References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1e0c14f49d6b393179f423abbac47f85618d3d46
- http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00008.html
- http://rhn.redhat.com/errata/RHSA-2009-1222.html
- http://rhn.redhat.com/errata/RHSA-2009-1223.html
- http://secunia.com/advisories/23073
- http://secunia.com/advisories/36430
- http://secunia.com/advisories/36510
- http://secunia.com/advisories/37105
- http://secunia.com/advisories/37298
- http://secunia.com/advisories/37471
- http://support.avaya.com/css/P8/documents/100067254
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
- http://www.openwall.com/lists/oss-security/2009/08/25/1
- http://www.redhat.com/support/errata/RHSA-2009-1233.html
Data: NIST NVD. NVD last modified 2026-04-23. Always verify against the vendor advisory before acting.