CVE-2020-25742
LOWQEMU < 5.1.1 - NULL Pointer Dereference in pci_change_irq_level
Title source: llmDescription
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.
References (4)
Core 4
Core References
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html
Third Party Advisory x_refsource_misc
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1
Mailing List, Third Party Advisory x_refsource_confirm
http://www.openwall.com/lists/oss-security/2020/09/29/1
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1883178
Scores
CVSS v3
3.2
EPSS
0.0004
EPSS Percentile
13.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
Details
CWE
CWE-476
Status
published
Products (1)
qemu/qemu
< 5.1.1
Published
Oct 06, 2020
Tracked Since
Feb 18, 2026