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Affected Component
Analysis
qemu
Exploitable
Name
CVE-2021-20255
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.
Published Date
Updated Date
Workaround
-
Advisories
https://bugzilla.redhat.com/show_bug.cgi?id=1930646Issue Tracking
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1Third Party Advisory
https://security.netapp.com/advisory/ntap-20210507-0003/Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1930646Issue Tracking
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1Third Party Advisory
https://security.netapp.com/advisory/ntap-20210507-0003/Third Party Advisory
Analysis#
Vulnerability Ratings#
5.5
CVSSv31
2.1
CVSSv2