CVE-2020-25742
LOWCVSS 3.2/10EPSS 0.46%
Last modified
CVE-2020-25742 is a low-severity vulnerability rated 3.2/10 on the CVSS scale. 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 estimates a 0.46% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 5.1.1 |
References
- http://www.openwall.com/lists/oss-security/2020/09/29/1Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1883178Issue Tracking, Patch, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.htmlMailing List, Patch, Third Party Advisory
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/09/29/1Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1883178Issue Tracking, Patch, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.htmlMailing List, Patch, Third Party Advisory
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-25742?
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.
How severe is CVE-2020-25742?
CVE-2020-25742 has a CVSS score of 3.2/10 (LOW severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.
How do I fix CVE-2020-25742?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-25736Acronis True Image 2019 update 1 through 2021 update 1 on ma…7.8
- CVE-2020-25737An elevation of privilege vulnerability exists in Hackolade …7.8
- CVE-2020-25738CyberArk Endpoint Privilege Manager (EPM) 11.1.0.173 allows …5.5
- CVE-2020-25739An issue was discovered in the gon gem before gon-6.4.0 for …6.1
- CVE-2020-2574Vulnerability in the MySQL Client product of Oracle MySQL (c…5.9
- CVE-2020-25741fdctrl_write_data in hw/block/fdc.c in QEMU 5.0.0 has a NULL…3.2
- CVE-2020-25743hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer…3.2
- CVE-2020-25744SaferVPN before 5.0.3.3 on Windows could allow low-privilege…8.1
- CVE-2020-25746QED ResourceXpress Qubi3 devices before 1.40.9 could allow a…4.6
- CVE-2020-25747The Telnet service of Rubetek RV-3406, RV-3409, and RV-3411 …9.4
- CVE-2020-25748A Cleartext Transmission issue was discovered on Rubetek RV-…8.1
- CVE-2020-25749The Telnet service of Rubetek cameras RV-3406, RV-3409, and …9.8
Are you affected by CVE-2020-25742?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST