NULL Pointer Dereference Affecting qemu package, versions *
Snyk CVSS
Attack Complexity
Low
Privileges Required
High
Scope
Changed
Threat Intelligence
EPSS
0.05% (15th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-QEMU-1558141
- published 29 Sep 2020
- disclosed 6 Oct 2020
Introduced: 29 Sep 2020
CVE-2020-25742 Open this link in a new tabHow to fix?
There is no fixed version for Debian:12
qemu
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:12
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
- https://security-tracker.debian.org/tracker/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