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>> Linux Kernel Security Update Fixes "lcd_write()" Local Denial of Service Vulnerability
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Title : Linux Kernel Security Update Fixes "lcd_write()" Local Denial of Service Vulnerability
VUPEN ID : VUPEN/ADV-2007-2403
CVE ID : CVE-2007-3513
Rated as : Low Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2007-07-02
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A vulnerability has been identified in Linux Kernel, which could be exploited by local attackers to cause a denial of service. This issue is caused by an error in the USBLCD driver that does not limit memory consumption when writing to the device via the "lcd_write()" [drivers/usb/misc/usblcd.c] function, which could be exploited by malicious users to create a denial of service condition (out-of-memory) by writing an overly large amount of data to a vulnerable device.
Affected Products
Linux Kernel versions prior to 2.6.22-rc7
Solution
Upgrade to Linux Kernel version 2.6.22-rc7 :
http://www.kernel.org/
References
http://www.vupen.com/english/advisories/2007/2403
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.22-rc7
Credits
Vulnerability reported by the vendor.
ChangeLog
2007-07-02 : Initial release
Vulnerability Management
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