CVE-2021-20255
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | QEMU | all versions | affected |
Weaknesses
- CWE-835: CWE-835
ADP Enrichment
CVE Program Container
Additional 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
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://security.netapp.com/advisory/ntap-20210507-0003/
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
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://security.netapp.com/advisory/ntap-20210507-0003/
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