CVE-2022-40759

A NULL pointer dereference issue in the TEE_MACCompareFinal function in Samsung mTower through 0...

7.5 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.01%Up 0.1 points since Sep 17, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2022-40759
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

CVE List No score

Record: CVE-2022-40759
Updated: 2026-11-02

EUVDEUVD-2022-44026 No score

Record: EUVD-2022-44026
Updated: 2026-11-03

GitHub AdvisoriesGHSA-v2j3-mr9j-gq5x 7.5

A NULL pointer dereference issue in the TEE_MACCompareFinal function in Samsung mTower through 0...

Record: GHSA-v2j3-mr9j-gq5x
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

OSV No score

Record: CVE-2022-40759
Updated: 2026-11-02

Affected products

samsung mtower

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-40759 is a high vulnerability (CVSS 7.5) in Samsung Mtower, published September 16, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. No source names a fixed version.