Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2020-25742

NULL Pointer Dereference

Published: Oct 06, 2020 | Modified: Nov 21, 2024
CVSS 3.x
3.2
LOW
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
3.2 LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
Ubuntu
LOW
Vulnerability-free packages from our partners
root.io logo minimus.io logo echo.ai logo
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2020-25742
CWEhttps://cwe.mitre.org/data/definitions/476.html

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.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
QemuQemu*5.1.1 (excluding)
QemuUbuntubionic*
QemuUbuntufocal*
QemuUbuntugroovy*
QemuUbuntuhirsute*
QemuUbuntuimpish*
QemuUbuntukinetic*
QemuUbuntulunar*
QemuUbuntumantic*
QemuUbuntuoracular*
QemuUbuntuplucky*
QemuUbuntutrusty*
QemuUbuntutrusty/esm*
QemuUbuntuxenial*
Qemu-kvmUbuntuprecise/esm*

Potential Mitigations

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2026 Aqua Security Software Ltd.   Privacy Policy | Terms of Use