CVE-2020-25743

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.

Category

3.2
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Third-Party Advisory openwall.com Third-Party Advisory redhat.com Third-Party Advisory nongnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05967.html third party advisory patch
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1b broken link
http://www.openwall.com/lists/oss-security/2020/09/29/1 patch mailing list third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1881409 patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2020-25743?
CVE-2020-25743 has been scored as a low severity vulnerability.
How to fix CVE-2020-25743?
To fix CVE-2020-25743, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-25743 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-25743 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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