CVE-2021-20255: vulnerability in QEMU
Published · Updated
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3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.4%
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.
Affected products
n/a · QEMUReferences
https://bugzilla.redhat.com/show_bug.cgi?id=1930646https://lists.debian.org/debian-lts-announce/2021/04/msg00009.htmlhttps://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1https://security.netapp.com/advisory/ntap-20210507-0003/https://www.openwall.com/lists/oss-security/2021/02/25/1