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CVE
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CVE-2009-4895

Date: (C)2010-09-08   (M)2016-03-13
 
CVSS Score: 4.7Access Vector: LOCAL
Exploitability Subscore: 3.4Access Complexity: MEDIUM
Impact Subscore: 6.9Authentication: NONE
 Confidentiality: NONE
 Integrity: NONE
 Availability: COMPLETE











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.

Reference:
DSA-2094
USN-1000-1
http://www.openwall.com/lists/oss-security/2010/06/15/2
http://www.openwall.com/lists/oss-security/2010/06/15/3
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=703625118069f9f8960d356676662d3db5a9d116
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.6
https://bugzilla.kernel.org/show_bug.cgi?id=14605
https://bugzilla.redhat.com/show_bug.cgi?id=559100

CPE    356
cpe:/o:linux:linux_kernel:2.6.20.19
cpe:/o:linux:linux_kernel:2.6.23.1
cpe:/o:linux:linux_kernel:2.6.23.2
cpe:/o:linux:linux_kernel:2.6.23.3
...
CWE    1
CWE-362
OVAL    6
oval:org.secpod.oval:def:700015
oval:org.secpod.oval:def:700253
oval:org.secpod.oval:def:1500321
oval:org.secpod.oval:def:600095
...

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