CVE-2020-10761

Description

An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.

Category

5.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.71% Top 30%
Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory gentoo.org
Affected: Red Hat QEMU:
Published at:
Updated at:

References

Link Tags
https://www.openwall.com/lists/oss-security/2020/06/09/1 patch mailing list third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761 third party advisory issue tracking
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html vendor advisory mailing list third party advisory
https://security.netapp.com/advisory/ntap-20200731-0001/ third party advisory
https://usn.ubuntu.com/4467-1/ third party advisory vendor advisory
https://security.gentoo.org/glsa/202011-09 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-10761?
CVE-2020-10761 has been scored as a medium severity vulnerability.
How to fix CVE-2020-10761?
To fix CVE-2020-10761, 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-2020-10761 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-10761 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10761?
CVE-2020-10761 affects Red Hat QEMU:.
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