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.
Find out more about CVE-2021-20255 from the MITRE-CVE dictionary and NIST NVD
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| Product Name | Status | Defect | Fixed | Downloads |
|---|---|---|---|---|
| Linux | ||||
| Wind River Linux LTS 17 | Won't Fix | -- | -- | -- |
| Wind River Linux 8 | Requires LTSS | -- | -- | -- |
| Wind River Linux 9 | Requires LTSS | -- | -- | -- |
| Wind River Linux 7 | Requires LTSS | -- | -- | -- |
| Wind River Linux LTS 21 | Investigating |
LIN1021-261 |
-- | -- |
| Wind River Linux LTS 22 | Investigating | -- | -- | -- |
| Wind River Linux LTS 18 | Won't Fix | -- | -- | -- |
| Wind River Linux LTS 19 | Requires LTSS | -- | -- | -- |
| Wind River Linux CD release | Investigating | -- | -- | -- |
| Wind River Linux 6 | Requires LTSS | -- | -- | -- |
| Wind River Linux LTS 23 | Investigating | -- | -- | -- |
| Wind River Linux LTS 24 | Investigating | -- | -- | -- |
| VxWorks | ||||
| VxWorks 7 | Not Vulnerable | -- | -- | -- |
| VxWorks 6.9 | Not Vulnerable | -- | -- | -- |
| Helix Virtualization Platform Cert Edition | ||||
| Helix Virtualization Platform Cert Edition | Not Vulnerable | -- | -- | -- |
| eLxr | ||||
| eLxr 12 | Vulnerable | -- | -- | -- |
| Wind River Studio Cloud Platform | ||||
| Product Name | Status | Defect | Fixed | Downloads |
|---|
