NULL Pointer Dereference Affecting qemu package, versions *
Threat Intelligence
EPSS
0.05% (17th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1404-QEMU-1021945
- published 26 Oct 2020
- disclosed 6 Oct 2020
Introduced: 6 Oct 2020
CVE-2020-25742 Open this link in a new tabHow to fix?
There is no fixed version for Ubuntu:14.04 qemu.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-25742
- http://www.openwall.com/lists/oss-security/2020/09/29/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1883178
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1
CVSS Scores
version 3.1