TI-2022-19386 Aliases CVE-2022-40759 GHSA-v2j3-mr9j-gq5x

A NULL pointer dereference issue in the TEE_MACCompareFinal function in Samsung mTower…

LOW 35CWE-476Published 2022-09-16 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

A NULL pointer dereference issue in the TEE_MACCompareFinal function in Samsung mTower through 0.3.0 allows a trusted application to trigger a Denial of Service (DoS) by invoking the function TEE_MACCompareFinal with a NULL pointer for the parameter operation.

Why it matters now

EPSS 0.01009 63rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:samsung:mtower::::::::	up to 0.3.0	Vulnerable	Samsung

cpe:2.3:a:samsung:mtower:*:*:*:*:*:*:*:* Versions up to 0.3.0 Vulnerable ·Samsung

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-40759
2026-10-03 Alias added: GHSA-v2j3-mr9j-gq5x

References

Patch 1

https://github.com/Samsung/mTower/blob/efd36709306a9afcca5b4782499d01be0c7a02a5/tee/lib/libutee/tee_api_operations.c#L1249

Advisory 1

https://github.com/Samsung/mTower/issues/80

TI-2022-19388 The function tee_obj_free in Samsung mTower through 0.3.0 allows a trusted application to… CVSS 3.1HIGH 7.5
TI-2022-19387 A Buffer Access with Incorrect Length Value vulnerablity in the TEE_MACUpdate function in… CVSS 3.1HIGH 7.5
TI-2022-18825 sign_pFwInfo in Samsung mTower through 0.3.0 has a missing check on the return value of… CVSS 3.1HIGH 7.5
TI-2022-18824 There is a NULL pointer dereference in aes256_encrypt in Samsung mTower through 0.3.0 due… CVSS 3.1HIGH 7.5
TI-2022-18823 sign_pFwInfo in Samsung mTower through 0.3.0 has a missing check on the return value of… CVSS 3.1HIGH 7.5
TI-2022-16920 Samsung Electronics mTower v0.3.0 and earlier was discovered to contain a NULL pointer… CVSS 3.1HIGH 7.5

See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences