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CVE-2021-20255

UNKNOWN
Published 2021-03-09T19:14:05
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No CVSS data available

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-v6w7-gq3g-fwvm

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-20255
WEB https://bugzilla.redhat.com/show_bug.cgi?id=1930646
WEB https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
WEB https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1
WEB https://security.netapp.com/advisory/ntap-20210507-0003
WEB https://www.openwall.com/lists/oss-security/2021/02/25/1

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: June 4, 2022

References

https://bugzilla.redhat.com/show_bug.cgi?id=1930646
https://www.openwall.com/lists/oss-security/2021/02/25/1
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1
https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
https://security.netapp.com/advisory/ntap-20210507-0003/
Published: 2021-03-09T19:14:05
Last Modified: 2024-08-03T17:37:23.158Z
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