CVE-2024-2214: Missing array size check in _Mtxinit() in the Xtensa port

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-26 · updated 2026-06-17
Weakness: CWE-129

Description

In Eclipse ThreadX before version 6.4.0, the _Mtxinit() function in the Xtensa port was missing an array size check causing a memory overwrite. The affected file was ports/xtensa/xcc/src/tx_clib_lock.c

Affected products

Eclipse Foundation Eclipse ThreadX: before 6.4.0 — fixed in 6.4.0

How to fix

Upgrade to a fixed version: Eclipse Foundation Eclipse ThreadX 6.4.0. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2024/May/35
http://www.openwall.com/lists/oss-security/2024/05/28/1
https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-vmp6-qhp9-r66x
http://seclists.org/fulldisclosure/2024/May/35
http://www.openwall.com/lists/oss-security/2024/05/28/1
https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-vmp6-qhp9-r66x

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