Linux Kernel up to 6.14.1 samsung_clk_init array index

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel up to 6.14.1. This affects the function samsung_clk_init. Executing a manipulation can lead to array index. This vulnerability is tracked as CVE-2025-39728. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 6.14.1. This vulnerability affects the function samsung_clk_init. The manipulation with an unknown input leads to a array index vulnerability. The CWE definition for the vulnerability is CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: clk: samsung: Fix UBSAN panic in samsung_clk_init() With UBSAN_ARRAY_BOUNDS=y, I'm hitting the below panic due to dereferencing `ctx->clk_data.hws` before setting `ctx->clk_data.num = nr_clks`. Move that up to fix the crash. UBSAN: array index out of bounds: 00000000f2005512 [#1] PREEMPT SMP Call trace: samsung_clk_init+0x110/0x124 (P) samsung_clk_init+0x48/0x124 (L) samsung_cmu_register_one+0x3c/0xa0 exynos_arm64_register_cmu+0x54/0x64 __gs101_cmu_top_of_clk_init_declare+0x28/0x60 ...

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2025-39728 since 04/16/2025. The exploitation appears to be difficult. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/16/2026).

The vulnerability scanner Nessus provides a plugin with the ID 234884 (Debian dsa-5907 : affs-modules-6.1.0-33-4kc-malta-di - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.10.236, 5.15.180, 6.1.134, 6.6.87, 6.12.23, 6.13.11, 6.14.2 or 6.15-rc1 eliminates this vulnerability. Applying the patch 00307934eb94aaa0a99addfb37b9fe206f945004/d974e177369c034984cece9d7d4fada9f8b9c740/0fef48f4a70e45a93e73c39023c3a6ea624714d6/4d29a6dcb51e346595a15b49693eeb728925ca43/24307866e0ac0a5ddb462e766ceda5e27a6fbbe3/a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bf/157de9e48007a20c65d02fc0229a16f38134a72d/d19d7345a7bcdb083b65568a11b11adffe0687af is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (234884) and CERT Bund (WID-SEC-2025-0861). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Debian Linux
  • Google Cloud Platform
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • SolarWinds Security Event Manager
  • Dell Secure Connect Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Array index
CWE: CWE-129 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 234884
Nessus Name: Debian dsa-5907 : affs-modules-6.1.0-33-4kc-malta-di - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.10.236/5.15.180/6.1.134/6.6.87/6.12.23/6.13.11/6.14.2/6.15-rc1
Patch: 00307934eb94aaa0a99addfb37b9fe206f945004/d974e177369c034984cece9d7d4fada9f8b9c740/0fef48f4a70e45a93e73c39023c3a6ea624714d6/4d29a6dcb51e346595a15b49693eeb728925ca43/24307866e0ac0a5ddb462e766ceda5e27a6fbbe3/a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bf/157de9e48007a20c65d02fc0229a16f38134a72d/d19d7345a7bcdb083b65568a11b11adffe0687af

Timelineinfo

04/16/2025 🔍
04/18/2025 +2 days 🔍
04/18/2025 +0 days 🔍
02/16/2026 +304 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-39728 (🔍)
GCVE (CVE): GCVE-0-2025-39728
GCVE (VulDB): GCVE-100-305632
CERT Bund: WID-SEC-2025-0861 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 04/18/2025 11:33
Updated: 02/16/2026 16:35
Changes: 04/18/2025 11:33 (57), 04/28/2025 08:33 (2), 10/08/2025 12:54 (7), 11/15/2025 17:48 (1), 02/16/2026 16:35 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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