CVE-2023-37366

Infinite Loop in Samsung Exynos Shannon SM Task Causing Denial of Service

Published Sep 14, 2026 CVSS 3.1 · 2.8 Low EPSS < 1% KEV · Not listed
Description
An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem Exynos 9810, Exynos 9610, Exynos 9820, Exynos 980, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos Modem 5123, Exynos Modem 5300, an Exynos Auto T5123. In the Shannon SM Task, improper handling of a loop with an unreachable exit condition cannot guarantee the termination of a required service via a malformed SM message.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Infinite Loop in Samsung Exynos Shannon SM Task Causing Denial of Service
Type Values Removed Values Added
Title Denial of Service via Unreachable Loop in Samsung Exynos Firmware
Type Values Removed Values Added
Title Denial of Service via Unreachable Loop in Samsung Exynos Firmware
Type Values Removed Values Added
Description An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem Exynos 9810, Exynos 9610, Exynos 9820, Exynos 980, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 9110, Exynos W920, Exynos Modem 5123, Exynos Modem 5300, an Exynos Auto T5123. In the Shannon SM Task, improper handling of a loop with an unreachable exit condition cannot guarantee the termination of a required service via a malformed SM message.
First Time appeared Samsung
Samsung exynos 850 Firmware
Weaknesses CWE-835
CPEs cpe:2.3:a:samsung:exynos_850_firmware:*:*:*:*:*:*:*:*
Vendors & Products Samsung
Samsung exynos 850 Firmware
References
Metrics cvssV3_1

{'score': 2.8, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 16, 2026, 2:33 PM
Reserved
Jun 30, 2023, 12:00 AM
Status
Awaiting Analysis
Published
Sep 14, 2026, 6:16 AM
Modified
Sep 22, 2026, 7:56 PM