未評価
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
SecPulse初出
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- Debian DEBIAN-CVE-2021-20255 qemu
- Ubuntu UBUNTU-CVE-2021-20255 qemu
原文の説明 取得元が公開している説明をそのまま載せています (多くは英語)。
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.
参照URL
- advisory lists.debian.org
- advisory ruhr-uni-bochum.sciebo.de
- advisory security.netapp.com
- patch bugzilla.redhat.com
- patch openwall.com