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[NTOSKRNL] Check that caller has appropriate right before creating page file

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This commit is contained in:
Pierre Schweitzer
2018-08-11 23:01:05 +02:00
parent 2bbac12427
commit 0ad4ef6002
1 changed files with 6 additions and 1 deletions
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ntoskrnl/mm/pagefile.c
+6 -1
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@@ -509,13 +509,18 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
if (MmNumberOfPagingFiles >= MAX_PAGING_FILES)
{
return(STATUS_TOO_MANY_PAGING_FILES);
return STATUS_TOO_MANY_PAGING_FILES;
}
PreviousMode = ExGetPreviousMode();
if (PreviousMode != KernelMode)
{
if (SeSinglePrivilegeCheck(SeCreatePagefilePrivilege, PreviousMode) != TRUE)
{
return STATUS_PRIVILEGE_NOT_HELD;
}
_SEH2_TRY
{
SafeInitialSize = ProbeForReadLargeInteger(InitialSize);