ati_2d_blt in hw/display/ati_2d.c in QEMU 4.2.1 can encounter an outside-limits situation in a calculation. A guest can crash the QEMU process.
Weakness
The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.
Affected Software
| Name |
Vendor |
Start Version |
End Version |
| Qemu |
Qemu |
4.2.1 (including) |
4.2.1 (including) |
Potential Mitigations
- Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
- Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).
- Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
- Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).
References