CVE-2009-2698

HIGH EXPLOITED

Linux Kernel <2.6.19 - Privilege Escalation

Title source: llm

Description

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.

Exploits (4)

exploitdb WORKING POC VERIFIED
by spender · textlocallinux
https://www.exploit-db.com/exploits/9574
exploitdb WORKING POC VERIFIED
by Andi · clocallinux
https://www.exploit-db.com/exploits/9575
exploitdb WORKING POC VERIFIED
by INetCop Security · clocallinux_x86
https://www.exploit-db.com/exploits/9542
nomisec WORKING POC 28 stars
by xiaoxiaoleo · poc
https://github.com/xiaoxiaoleo/CVE-2009-2698

References (26)

... and 6 more

Scores

CVSS v3 7.8
EPSS 0.2612
EPSS Percentile 96.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2026-02-09
CWE
CWE-476
Status published
Products (20)
canonical/ubuntu_linux 6.06
canonical/ubuntu_linux 8.04
canonical/ubuntu_linux 8.10
canonical/ubuntu_linux 9.04
fedoraproject/fedora 10
linux/linux_kernel < 2.6.19
redhat/enterprise_linux_desktop 4.0
redhat/enterprise_linux_desktop 5.0
redhat/enterprise_linux_eus 4.8
redhat/enterprise_linux_eus 5.3
... and 10 more
Published Aug 27, 2009
Tracked Since Feb 18, 2026