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CVE
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CVE-2009-4895Date: (C)2010-09-08   (M)2024-01-05


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 4.7CVSS Score : 4.7
Exploit Score: 1.0Exploit Score: 3.4
Impact Score: 3.6Impact Score: 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: COMPLETE
Integrity: NONE 
Availability: HIGH 
  
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%3Ba=commit%3Bh=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

CWE    1
CWE-362
OVAL    5
oval:org.secpod.oval:def:700253
oval:org.secpod.oval:def:700243
oval:org.secpod.oval:def:700246
oval:org.secpod.oval:def:700015
...

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