CVE-2021-20255
- State
- Published
- Severity
- Not scored
- Published
- Mar 9, 2021
- Updated
- Aug 3, 2024
- Reserved
- Dec 17, 2020
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.
Scores
The record has no CVSS score.
Weaknesses
Affected Products
| Product | Versions |
|---|---|
QEMUn/a |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1930646
- https://www.openwall.com/lists/oss-security/2021/02/25/1
- https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1
- [debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security updatemailing-list
- https://security.netapp.com/advisory/ntap-20210507-0003/
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