5.2 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
15.5%
pci_change_irq_level in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pci_get_bus() might not return a valid pointer.
www.openwall.com/lists/oss-security/2020/09/29/1
bugzilla.redhat.com/show_bug.cgi?id=1883178
lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html
ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1