VDB
CVE-2020-25742
CVE-2020-25742
PUBLISHED
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.
EPSS 0.04% · 13.8th percentile
Risk Scores
EPSS Score
0.04%
13.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:24.04:LTS | qemu | 1:8.2.1+ds-1ubuntu9, 1:8.2.1+ds-1ubuntu8, 1:8.2.1+ds-1ubuntu1 |
| Ubuntu:Pro:14.04:LTS | qemu | 2.0.0+dfsg-2ubuntu1.24, 2.0.0+dfsg-2ubuntu1.22, 2.0.0+dfsg-2ubuntu1.21 |
| Ubuntu:Pro:16.04:LTS | qemu | 1:2.5+dfsg-5ubuntu10.34, *, 1:2.3+dfsg-5ubuntu10 |
| Ubuntu:Pro:18.04:LTS | qemu | 0, 1:2.11+dfsg-1ubuntu7, 1:2.11+dfsg-1ubuntu6 |
| Ubuntu:25.10 | qemu | 1:10.1.0+ds-5ubuntu2.2, 1:10.1.0+ds-5ubuntu2.1, 1:10.1.0+ds-5ubuntu2 |
| Ubuntu:20.04:LTS | qemu | 1:4.2-3ubuntu6, 1:4.2-3ubuntu3, 1:4.2-3ubuntu4 |
| Ubuntu:22.04:LTS | qemu | *, *, * |
Timeline
- Oct 6, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-25742 third-party-advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.html third-party-advisory
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-25742 third-party-advisory