CVE-2021-27411
Last modified
CVE-2021-27411 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Micrium OS Versions 5.10.1 and prior are vulnerable to integer wrap-around in functions Mem_DynPoolCreate, Mem_DynPoolCreateHW and Mem_PoolCreate. This unverified memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as very small blocks of memory being allocated instead of very large ones.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.
Description
Micrium OS Versions 5.10.1 and prior are vulnerable to integer wrap-around in functions Mem_DynPoolCreate, Mem_DynPoolCreateHW and Mem_PoolCreate. This unverified memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as very small blocks of memory being allocated instead of very large ones.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Silabs | Micrium Os | <= 5.10.1 |
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04Third Party Advisory, US Government Resource
- https://www.silabs.com/developers/micrium-osProduct, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04Third Party Advisory, US Government Resource
- https://www.silabs.com/developers/micrium-osProduct, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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