CVE Database
CVE-2009-2698
| Impact: | Important (classification) |
| Public: | August 24 2009 |
| Bugzilla: | 518034: CVE-2009-2698 kernel: udp socket NULL ptr dereference |
Details
The MITRE CVE dictionary describes this issue as:
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.
Find out more about CVE-2009-2698 from the MITRE CVE dictionary and NIST NVD.
Statement
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise MRG. Updates for Red Hat Enterprise Linux 3, 4 and 5 to correct this issue are available: https://rhn.redhat.com/cve/CVE-2009-2698.html
CVSS v2 metrics
| Base Score: | 7.2 | Base Metrics: | AV:L/AC:L/Au:N/C:C/I:C/A:C |
| Access Vector: | Local | Confidentiality Impact: | Complete |
| Access Complexity: | Low | Integrity Impact: | Complete |
| Authentication: | None | Availability Impact: | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat security errata
| Platform | Errata | Release Date |
| Red Hat Enterprise Linux version 5 (kernel) | RHSA-2009:1222 | August 24 2009 |
| Red Hat Enterprise Linux version 4 (kernel) | RHSA-2009:1223 | August 24 2009 |
| Red Hat Enterprise Linux version 3 (kernel) | RHSA-2009:1233 | August 27 2009 |
| Red Hat Enterprise Linux EUS (v. 5.2 server) (kernel) | RHSA-2009:1457 | September 22 2009 |
| Red Hat Enterprise Linux ES EUS (v. 4.7) (kernel) | RHSA-2009:1469 | September 30 2009 |
Acknowledgements
Red Hat would like to thank Tavis Ormandy and Julien Tinnes of the Google Security Team for responsibly reporting this flaw.
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Red Hat Security Response Team.
