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...

Denial Of Service (DoS)

qemu is vulnerable to denial of service. The vulnerability exists due to a NULL pointer dereference because it lacks a pointer check before an idecanceldmasync call...

CVE-2020-25743

hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an idecanceldmasync call...

CVE-2020-25743

hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an idecanceldmasync call...

CVE-2020-25743

hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an idecanceldmasync call...

CVE-2020-25743

hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an idecanceldmasync call...