K82008830: Multiple QEMU vulnerabilities

Security Advisory Description CVE-2020-25742 pcichangeirqlevel in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pcigetbus might not return a valid pointer. CVE-2020-25743 hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer...

CVE-2020-25741

fdctrlwritedata in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive...

CVE-2020-25741

fdctrlwritedata in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive...

Null pointer dereference

fdctrlwritedata in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive...

CVE-2020-25741

fdctrlwritedata in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive...

CVE-2020-25741

fdctrlwritedata in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive...