VULNERABILITY INTELLIGENCE

CVE-2011-1093

CVSS score7.8 HIGH
EPSS probability3.48%
CISA KEVNot currently listed
Published2011-07-18
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C

Description

The dccp_rcv_state_process function in net/dccp/input.c in the Datagram Congestion Control Protocol (DCCP) implementation in the Linux kernel before 2.6.38 does not properly handle packets for a CLOSED endpoint, which allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending a DCCP-Close packet followed by a DCCP-Reset packet.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references