MitreCVELIST:CVE-2009-4895CVE-2009-4895
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.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=703625118069f9f8960d356676662d3db5a9d116
www.debian.org/security/2010/dsa-2094
www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.6
www.openwall.com/lists/oss-security/2010/06/15/2
www.openwall.com/lists/oss-security/2010/06/15/3
www.openwall.com/lists/oss-security/2010/06/15/4
www.openwall.com/lists/oss-security/2010/06/15/5
www.ubuntu.com/usn/USN-1000-1
bugzilla.kernel.org/show_bug.cgi?id=14605
bugzilla.redhat.com/show_bug.cgi?id=559100
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