CVE-2022-38155

Name: CVE-2022-38155
Creator: NVD / NIST
Published: 2022-08-11T01:15:10.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2022-38155 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. TEE_Malloc in Samsung mTower through 0.3.0 allows a trusted application to achieve Excessive Memory Allocation via a large len value, as demonstrated by a Numaker-PFM-M2351 TEE kernel crash.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

TEE_Malloc in Samsung mTower through 0.3.0 allows a trusted application to achieve Excessive Memory Allocation via a large len value, as demonstrated by a Numaker-PFM-M2351 TEE kernel crash.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.88%

54.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Samsung	Mtower	<= 0.3.0

References

https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tee/lib/libutee/tee_api.c#L314Exploit, Third Party Advisory
https://github.com/Samsung/mTower/issues/74Exploit, Issue Tracking, Third Party Advisory
https://github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tee/lib/libutee/tee_api.c#L314Exploit, Third Party Advisory
https://github.com/Samsung/mTower/issues/74Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Aug 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-38155?

TEE_Malloc in Samsung mTower through 0.3.0 allows a trusted application to achieve Excessive Memory Allocation via a large len value, as demonstrated by a Numaker-PFM-M2351 TEE kernel crash.

How severe is CVE-2022-38155?

CVE-2022-38155 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2022-38155?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-38155?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST