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Ticket Resolution Summary Owner Reporter
#17981 fixed VB Guest Additions Kernel 4.18 Error Building the Module hmoller
Description

I upgraded to Kernel 4.18 but VirtualBoxGuestAditions failed to build. First I got the error: Makefile:965: "Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" (*.log.2)

Then I installed libelf-dev nad th build still doesn't work. (*log.1)

#17979 invalid Menuet32 task switching MikaelM
Description

Menuet32 runs fine on VB 4.2.38. However, when updating from 4.2.38 to 4.3.0, Menuets blue setup screen works fine, but multitasking after that halts. Menuet32 uses TSSs (task state segments) for task switching.

M32 available at Menuetos . net / download area

Running VB on Windows 7 Home Service Pack 1, Intel Core i3, M 380, 2.53Ghz

#17977 fixed VirtualBox cannot start VMs on 32-bit x86 builds of the upcoming October 2018 Update of Windows => fixed in svn Jon K
Description

The October 2018 Update has added a new pointer-sized field to the end of IMAGE_LOAD_CONFIG_DIRECTORY32 & IMAGE_LOAD_CONFIG_DIRECTORY64 structures and for some DLLs, this field is set to point to an opaque blob. Such DLLs are being rejected by VirtualBox (see excerpt below from VBoxHardening.log).

Is there a way to update the validation in VirtualBox to accept this new field being nonzero? The 32-bit structure has increased from 160 to 164 bytes. The 64-bit structure has increased from 256 to 264 bytes.

Additionally, is it possible to make the validation work with future changes to these data structures? Windows has expanded these in the past and may do so again in the future.

VBoxHardening.log excerpt:

f50.274c: supR3HardenedWinVerifyCacheProcessImportTodos: Processing 'msvcrt.dll'...
f50.274c: supR3HardenedWinVerifyCacheProcessImportTodos: 'msvcrt.dll' -> '\Device\HarddiskVolume2\Windows\System32\msvcrt.dll' [rcNtRedir=0xc0150008]
f50.274c: supHardenedWinVerifyImageByHandle: -> -626 (\Device\HarddiskVolume2\Windows\System32\msvcrt.dll)
f50.274c: Error (rc=0):
f50.274c: supR3HardenedScreenImage/Imports: rc=Unknown Status -626 (0xfffffd8e) fImage=1 fProtect=0x0 fAccess=0x0 \Device\HarddiskVolume2\Windows\System32\msvcrt.dll: Grown load config (160 to 164 bytes) includes non-zero bytes: ec ef 12 10
f50.274c: supR3HardenedWinVerifyCacheInsert: \Device\HarddiskVolume2\Windows\System32\msvcrt.dll
f50.274c: supR3HardenedMonitor_LdrLoadDll: pName=C:\Windows\system32\Wintrust.dll (rcNtResolve=0xc0150008) *pfFlags=0x0 pwszSearchPath=00000801:<flags> [calling]
f50.274c: supR3HardenedDllNotificationCallback: load   772a0000 LB 0x000c0000 C:\Windows\System32\msvcrt.dll [fFlags=0x0]
f50.274c: supR3HardenedScreenImage/LdrLoadDll: cache hit (Unknown Status -626 (0xfffffd8e)) on \Device\HarddiskVolume2\Windows\System32\msvcrt.dll [lacks WinVerifyTrust]
f50.274c: Error (rc=0):
f50.274c: supR3HardenedScreenImage/LdrLoadDll: cached rc=Unknown Status -626 (0xfffffd8e) fImage=1 fProtect=0x0 fAccess=0x0 cHits=1 \Device\HarddiskVolume2\Windows\System32\msvcrt.dll
f50.274c: Fatal error:
f50.274c: supR3HardenedDllNotificationCallback: supR3HardenedScreenImage failed on 'C:\Windows\System32\msvcrt.dll' / '\??\C:\Windows\System32\msvcrt.dll': 0xc000019
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