cvelistv5 - cve-2021-20203

cve-2021-20203

Vulnerability from cvelistv5

Published

2021-02-25 19:09

Modified

2024-08-03 17:30

Severity ?

Summary

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.

References

URL	Tags
secalert@redhat.com	https://bugs.launchpad.net/qemu/+bug/1913873	Exploit, Patch, Third Party Advisory
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=1922441	Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com	https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html	Mailing List, Third Party Advisory
secalert@redhat.com	https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html	Mailing List, Third Party Advisory
secalert@redhat.com	https://security.gentoo.org/glsa/202208-27	Third Party Advisory

Impacted products

▼	Vendor	Product
	n/a	qemu

Show details on NVD website

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  }
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

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