CVE-2022-40761

Name: CVE-2022-40761
Creator: NVD / NIST
Published: 2022-09-16T22:15:12.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2022-40761 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_AllocateOperation with a disturbed heap layout, related to utee_cryp_obj_alloc.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_AllocateOperation with a disturbed heap layout, related to utee_cryp_obj_alloc.

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

1.15%

62.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1284

Affected Software

Vendor	Product	Versions
Samsung	Mtower	<= 0.3.0

References

https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_obj.c#L109Patch, Third Party Advisory
https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_svc_cryp.c#L1248Patch, Third Party Advisory
https://github.com/Samsung/mTower/issues/83Third Party Advisory
https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_obj.c#L109Patch, Third Party Advisory
https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/tee/tee_svc_cryp.c#L1248Patch, Third Party Advisory
https://github.com/Samsung/mTower/issues/83Third Party Advisory

Timeline

Published: Sep 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-40761?

How severe is CVE-2022-40761?

CVE-2022-40761 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2022-40761?

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-2022-40761?

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

Scan your code now

Source: NVD / NIST