What is CVE-2022-35858?

CVE-2022-35858 is a high-severity vulnerability in Samsung Mtower, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.8/10. Published 2022-08-04.

How severe is CVE-2022-35858?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Samsung Mtower

CVE-2022-35858

The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to trigger a memory overwrite, denial of service, and information disclosure by invoking the function TEE_PopulateTransientObject with a large number in the parameter attrCount.

Published 2022-08-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Samsung Mtower — versions 0.3.0

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

github.com/Samsung/mTower/blob/18f4b592a8a973ce5972f4e2658ea0f6e3686284/tee/lib… (Exploit, Third Party Advisory)
github.com/Samsung/mTower/issues/71 (Third Party Advisory)

Frequently asked questions

What is CVE-2022-35858?: CVE-2022-35858 is a high-severity vulnerability in Samsung Mtower, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.8/10. Published 2022-08-04.
How severe is CVE-2022-35858?: High severity. CVSS v3 base score is 7.8 out of 10.