CVEvulnerability
CVE-2021-27411
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-05-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- CVSS 2.0 ([email protected])
- 6.4 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:P
- Weaknesses
- CWE-190
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.
Affected configurations
• silabs micrium os (<= 5.10.1)
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 Third Party Advisory, US Government Resource
- https://www.silabs.com/developers/micrium-os Product, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04 Third Party Advisory, US Government Resource
- https://www.silabs.com/developers/micrium-os Product, Vendor Advisory