Loop with Unreachable Exit Condition ('Infinite Loop') Affecting qemu package, versions *
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Test your applications- Snyk ID SNYK-DEBIAN11-QEMU-1078276
- published 22 Feb 2021
- disclosed 9 Mar 2021
Introduced: 22 Feb 2021
CVE-2021-20255 Open this link in a new tabHow to fix?
There is no fixed version for Debian:11
qemu
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:11
relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2021-20255
- https://security.netapp.com/advisory/ntap-20210507-0003/
- https://bugzilla.redhat.com/show_bug.cgi?id=1930646
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1
- https://www.openwall.com/lists/oss-security/2021/02/25/1
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html