Some vulnerabilities have been reported in Microsoft Windows, which can be exploited by malicious, local users to cause a DoS (Denial of Service) or gain escalated privileges.
1) A race condition error in the kernel when handling thread creation attempts using the "NtCreateThread()" function may allow execution of arbitrary code in kernel mode.
2) A double-free error in the Kernel Transaction Manager (KTM) when handling the "UOW" parameter passed to the "NtCreateTransaction()" function may allow execution of arbitrary code in kernel mode.
3) An error in the kernel when validating access control lists in the "SeObjectCreateSaclAccessBits()" function on kernel objects can be exploited to cause a vulnerable system to become unresponsive and restart.
NOTE: Windows XP Professional x64 Edition SP2 is not affected by any of the vulnerabilities.
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Subject: Microsoft Windows Kernel Denial of Service and Privilege Escalation
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