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CVE Database

CVE-2010-4165

Impact: Moderate
Public: 2010-11-10
Bugzilla: 652508: CVE-2010-4165 kernel: possible kernel oops from user MSS

Details

The MITRE CVE dictionary describes this issue as:

The do_tcp_setsockopt function in net/ipv4/tcp.c in the Linux kernel before 2.6.37-rc2 does not properly restrict TCP_MAXSEG (aka MSS) values, which allows local users to cause a denial of service (OOPS) via a setsockopt call that specifies a small value, leading to a divide-by-zero error or incorrect use of a signed integer.

Find out more about CVE-2010-4165 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 Linux 4 and 5 as they did not backport the upstream commit that introduced the issue. This has been addressed in Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0283.html and https://rhn.redhat.com/errata/RHSA-2011-0330.html.

CVSS v2 metrics

Base Score: 4.9
Base Metrics: AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector: Local
Access Complexity: Low
Authentication: None
Confidentiality Impact: None
Integrity Impact: 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
MRG Grid for RHEL 5 Server (kernel-rt) RHSA-2011:0330 March 10, 2011
Red Hat Enterprise Linux version 6 (kernel) RHSA-2011:0283 February 22, 2011

External References

Acknowledgements

Red Hat would like to thank Steve Chen for reporting this issue.

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.