CVE - CVE-2021-20255

CVE-ID
CVE-2021-20255	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update URL:https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1930646 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1930646 MISC:https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1 URL:https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1 MISC:https://security.netapp.com/advisory/ntap-20210507-0003/ URL:https://security.netapp.com/advisory/ntap-20210507-0003/ MISC:https://www.openwall.com/lists/oss-security/2021/02/25/1 URL:https://www.openwall.com/lists/oss-security/2021/02/25/1
Assigning CNA
Red Hat, Inc.
Date Record Created
20201217	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20201217)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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