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A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing...
CVE-2021-20255
Première détection SecPulse
État des correctifs par distribution
Paquets corrigés publiés par chaque distribution pour cette CVE
- Debian DEBIAN-CVE-2021-20255 qemu
- Ubuntu UBUNTU-CVE-2021-20255 qemu
Description d'origine La description telle que publiée par la source (souvent en anglais).
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.
Références
- advisory lists.debian.org
- advisory ruhr-uni-bochum.sciebo.de
- advisory security.netapp.com
- patch bugzilla.redhat.com
- patch openwall.com