CVE-2020-35503

Description

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Category

6.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Third-Party Advisory redhat.com Third-Party Advisory netapp.com
Affected: n/a QEMU
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1910346 third party advisory issue tracking
https://security.netapp.com/advisory/ntap-20210720-0008/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-35503?
CVE-2020-35503 has been scored as a medium severity vulnerability.
How to fix CVE-2020-35503?
To fix CVE-2020-35503, 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-2020-35503 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-35503 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.
What software or system is affected by CVE-2020-35503?
CVE-2020-35503 affects n/a QEMU.
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