|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 220.127.116.11 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 18.104.22.168.
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
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Red Hat security errata
|MRG Grid for RHEL 5 Server (kernel-rt)||RHSA-2010:0161||March 23, 2010|
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For clarification or corrections please contact the Red Hat Security Response Team.