A vulnerability has been identified in NetBSD, which could be exploited by local attackers to cause a denial of service. This issue is caused by input validation errors in various display driver functions (e.g. "vga_allocattr") when handling a negative or large value, which could be exploited by malicious users to cause a vulnerable function to access arbitrary memory locations and panic the system, creating a denial of service condition.
Credits
Vulnerability reported by AD-LAB.
ChangeLog
2007-09-14 : Initial release
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