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CVE Database

CVE-2010-4158

Impact: Low
Public: 2010-11-10
Bugzilla: 651698: CVE-2010-4158 kernel: socket filters infoleak
IAVA: 2011-A-0147

Details

The MITRE CVE dictionary describes this issue as:

The sk_run_filter function in net/core/filter.c in the Linux kernel before 2.6.36.2 does not check whether a certain memory location has been initialized before executing a (1) BPF_S_LD_MEM or (2) BPF_S_LDX_MEM instruction, which allows local users to obtain potentially sensitive information from kernel stack memory via a crafted socket filter.

Find out more about CVE-2010-4158 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 2.1
Base Metrics: AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector: Local
Access Complexity: Low
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: None
Availability Impact: None

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-2010:0958 December 08, 2010
Red Hat Enterprise Linux version 4 (kernel) RHSA-2011:0162 January 18, 2011
Red Hat Enterprise Linux version 5 (kernel) RHSA-2011:0017 January 13, 2011
Red Hat Enterprise Linux version 6 (kernel) RHSA-2011:0007 January 11, 2011

External References

Acknowledgements

Red Hat would like to thank Dan Rosenberg 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.