CVE-2020-25742

Description

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.

Category

3.2
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory openwall.com Third-Party Advisory redhat.com Third-Party Advisory nongnu.org Third-Party Advisory sciebo.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html third party advisory mailing list patch
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1 third party advisory
http://www.openwall.com/lists/oss-security/2020/09/29/1 mailing list third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1883178 issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-25742?
CVE-2020-25742 has been scored as a low severity vulnerability.
How to fix CVE-2020-25742?
To fix CVE-2020-25742, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-25742 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-25742 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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