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
| Link | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1930646 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html | Mailing List Third Party Advisory |
| https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210507-0003/ | Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2021/02/25/1 | Mailing List Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1930646 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html | Mailing List Third Party Advisory |
| https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210507-0003/ | Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2021/02/25/1 | Mailing List Patch Third Party Advisory |
Configurations
History
No history.
Information
Published : 2021-03-09 20:15
Updated : 2024-11-21 05:46
NVD link : CVE-2021-20255
Mitre link : CVE-2021-20255
CVE.ORG link : CVE-2021-20255
JSON object : View
Products Affected
qemu
- qemu
debian
- debian_linux