CVE-2021-27411
Published: 03 May 2022
Summary
CVE-2021-27411 is a medium-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Silabs Micrium Os. Its CVSS base score is 6.5 (Medium).
Operationally, ranked at the 43.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-14165
Vulnerability details
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…
more
instead of very large ones.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.