Vulnerability 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.
CVSS Score
3.2
LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 5.1.1 |
| Redhat | Openstack Platform | 13.0 |
| Redhat | Enterprise Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/09/29/1Mailing ListPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1881409Issue TrackingPatchThird Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.htmlPatchThird Party Advisory
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1bBroken Link
- http://www.openwall.com/lists/oss-security/2020/09/29/1Mailing ListPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1881409Issue TrackingPatchThird Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.htmlPatchThird Party Advisory
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1bBroken Link
FAQ
What is CVE-2020-25743?
CVE-2020-25743 is a vulnerability with a CVSS score of 3.2 (LOW). 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 been rated LOW with a CVSS base score of 3.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-25743?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Openstack Platform, Redhat Enterprise Linux.