Vulnerability · Published Jun 28, 2022 · Assigned by zephyr

CVE-2021-3431BT: Assertion failure on repeated LL_FEATURE_REQ

Medium 4.3

In plain English

A medium-severity security flaw in zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.9%top 39.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Assertion reachable with repeated LL_FEATURE_REQ. Zephyr versions >= v2.5.0 contain Reachable Assertion (CWE-617). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7548-5m6f-mqv9

Affected products (as reported)

VendorProductVersions
zephyrproject-rtos zephyr v2.5.0 – before unspecified

Weakness: CWE-617 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References