Changeset 99313 in vbox for trunk/src

Timestamp:

Apr 6, 2023 7:36:30 AM (2 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

156705

Message:

Devices/Security/DevTpm: Reject reads larger than 8 bytes before doing the read, bugref:10412

File:

• trunk/src/VBox/Devices/Security/DevTpm.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Security/DevTpm.cpp

@@ -1343 +1343 @@
     PDEVTPM pThis  = PDMDEVINS_2_DATA(pDevIns, PDEVTPM);
     RT_NOREF(pvUser);
+
+    AssertReturn(cb <= sizeof(uint64_t), VERR_INTERNAL_ERROR);
 
     RTGCPHYS offAligned = off & ~UINT64_C(0x3);