CVE-2011-1093

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2011-1093
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.

7.8 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References
Link Resource
http://downloads.avaya.com/css/P8/documents/100145416 Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=720dc34bbbe9493c7bd48b2243058b4e447a929d
http://openwall.com/lists/oss-security/2011/03/08/19 Mailing List Patch Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/08/4 Mailing List Patch Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-0833.html Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 Broken Link
http://www.securityfocus.com/bid/46793 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=682954 Issue Tracking Patch Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:redhat:enterprise_linux_aus:5.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:5.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
History

13 Feb 2023, 01:18

Type Values Removed Values Added
References
  • {'url': 'https://access.redhat.com/security/cve/CVE-2011-1093', 'name': 'https://access.redhat.com/security/cve/CVE-2011-1093', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/errata/RHSA-2011:0498', 'name': 'https://access.redhat.com/errata/RHSA-2011:0498', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/errata/RHSA-2011:0500', 'name': 'https://access.redhat.com/errata/RHSA-2011:0500', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://access.redhat.com/errata/RHSA-2011:0833', 'name': 'https://access.redhat.com/errata/RHSA-2011:0833', 'tags': [], 'refsource': 'MISC'}
Summary CVE-2011-1093 kernel: dccp: fix oops on Reset after close 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.

02 Feb 2023, 17:17

Type Values Removed Values Added
Summary 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. CVE-2011-1093 kernel: dccp: fix oops on Reset after close
References
  • {'url': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=720dc34bbbe9493c7bd48b2243058b4e447a929d', 'name': 'http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=720dc34bbbe9493c7bd48b2243058b4e447a929d', 'tags': ['Patch', 'Vendor Advisory'], 'refsource': 'CONFIRM'}
  • (MISC) https://access.redhat.com/errata/RHSA-2011:0498 -
  • (MISC) https://access.redhat.com/errata/RHSA-2011:0833 -
  • (MISC) https://access.redhat.com/errata/RHSA-2011:0500 -
  • (MISC) https://access.redhat.com/security/cve/CVE-2011-1093 -
  • (MISC) http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=720dc34bbbe9493c7bd48b2243058b4e447a929d -
Information

Published : 2011-07-18 22:55

Updated : 2023-12-10 11:03

NVD link : CVE-2011-1093

Mitre link : CVE-2011-1093

CVE.ORG link : CVE-2011-1093

JSON object : View

Products Affected

redhat

  • enterprise_linux_aus
  • enterprise_linux_desktop
  • enterprise_linux_server
  • enterprise_linux_workstation
  • enterprise_linux_eus

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference