CVE-2009-4895

Impact:
Moderate
Public Date:
2009-12-17
Bugzilla:
559100: CVE-2009-4895 kernel: tty->pgrp races

The MITRE CVE dictionary describes this issue as:

Race condition in the tty_fasync function in drivers/char/tty_io.c in the Linux kernel before 2.6.32.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via unknown vectors, related to the put_tty_queue and __f_setown functions. NOTE: the vulnerability was addressed in a different way in 2.6.32.9.

Find out more about CVE-2009-4895 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the version of Linux kernel as shipped with Red Hat
Enterprise Linux 3, 4 and 5. This issue was addressed in Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2010-0161.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-2010:0161 2010-03-23

Mitigation

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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