CVE-2009-2698
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 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 |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| 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 Extended Update Support 4.7 (kernel) | RHSA-2009:1469 | 2009-09-30 |
| Red Hat Enterprise Linux 3 (kernel) | RHSA-2009:1233 | 2009-08-27 |
| Red Hat Enterprise Linux 4 (kernel) | RHSA-2009:1223 | 2009-08-24 |
| Red Hat Enterprise Linux EUS (v. 5.2 server) (kernel) | RHSA-2009:1457 | 2009-09-22 |
| Red Hat Enterprise Linux 5 (kernel) | RHSA-2009:1222 | 2009-08-24 |
Acknowledgements
Red Hat would like to thank Tavis Ormandy and Julien Tinnes of the Google Security Team for responsibly reporting this flaw.CVE description copyright © 2017, The MITRE Corporation