CVE-2021-27411 is an integer wrap-around vulnerability affecting Micrium OS versions 5.10.1 and prior, specifically within memory allocation functions like Mem_DynPoolCreate. This flaw allows for unverified memory assignments, potentially leading to arbitrary memory allocation and unexpected system behavior, such as allocating very small blocks when large ones are intended. With a CVSS score of 6.5 (Medium), it can be exploited remotely with low attack complexity, resulting in low impact to integrity and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.10.1CPE matchmatch criteria | cpe:2.3:o:silabs:micrium_os:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.