cvelistv5 - CVE-2021-20255

CVE-2021-20255

Vulnerability from cvelistv5

Published

2021-03-09 19:14

Modified

2024-08-03 17:37

Severity ?

Summary

A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

References

URL	Tags
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=1930646	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://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1	Third Party Advisory
secalert@redhat.com	https://security.netapp.com/advisory/ntap-20210507-0003/	Third Party Advisory
secalert@redhat.com	https://www.openwall.com/lists/oss-security/2021/02/25/1	Mailing List, Patch, Third Party Advisory

Impacted products

▼	Vendor	Product
	n/a	QEMU

Show details on NVD website

JSON

To clipboard

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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

CVE-2021-20255

Vulnerability from cvelistv5

ghsa-v6w7-gq3g-fwvm

Vulnerability from github

gsd-2021-20255

Vulnerability from gsd

Tags

Sightings

Nomenclature