CVE-2020-25743
LOWCVSS 3.2/10EPSS 0.48%
Last modified
CVE-2020-25743 is a low-severity vulnerability rated 3.2/10 on the CVSS scale. hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
Description
hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.
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 |
| Redhat | Openstack Platform | 13.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
References
- http://www.openwall.com/lists/oss-security/2020/09/29/1Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1881409Issue Tracking, Patch, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.htmlPatch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/09/29/1Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1881409Issue Tracking, Patch, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-25743?
hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.
How severe is CVE-2020-25743?
CVE-2020-25743 has a CVSS score of 3.2/10 (LOW severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2020-25743?
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.
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Are you affected by CVE-2020-25743?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST