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Debian: CVE-2021-20255: qemu -- security update

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Debian: CVE-2021-20255: qemu -- security update

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
03/09/2021
Created
04/13/2021
Added
04/12/2021
Modified
04/12/2021

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.

Solution(s)

  • debian-upgrade-qemu

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