CVE-2020-35505

Description

A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. 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

4.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory gentoo.org
Affected: n/a QEMU
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2021/04/16/3 third party advisory mailing list
https://www.openwall.com/lists/oss-security/2021/04/16/3 mailing list third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=1909769 issue tracking third party advisory patch
https://security.netapp.com/advisory/ntap-20210713-0006/ third party advisory
https://security.gentoo.org/glsa/202208-27 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-35505?
CVE-2020-35505 has been scored as a medium severity vulnerability.
How to fix CVE-2020-35505?
To fix CVE-2020-35505, 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-2020-35505 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-35505 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-2020-35505?
CVE-2020-35505 affects n/a QEMU.
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