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Vulnerability · Published Apr 18, 2025 · Assigned by Linux

CVE-2025-39728clk: samsung: Fix UBSAN panic in samsung_clk_init()

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 79.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 <snip> 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 ...

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.135-1DEBIAN-CVE-2025-39728
Debian:12linux6.1.135-1DSA-5907-1
Debian:13linux6.12.25-1DEBIAN-CVE-2025-39728
Debian:14linux6.12.25-1DEBIAN-CVE-2025-39728
Ubuntu:22.04:LTSlinux5.15.0-142.152UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux6.8.0-86.87UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-aws5.15.0-1086.93UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-aws6.8.0-1041.43UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1041.43~22.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-azure5.15.0-1091.100UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-azure6.8.0-1041.47UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1018.18~24.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1041.47~22.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1091.100.1UBUNTU-CVE-2025-39728
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1029.32UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-gcp5.15.0-1085.94UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-gcp6.8.0-1042.45UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1016.16~24.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1042.45~22.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-gke5.15.0-1083.89UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-gke6.8.0-1038.43UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1068.76UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1025.28UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-hwe-6.116.11.0-28.28~24.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-86.87~22.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-ibm5.15.0-1078.81UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-ibm6.8.0-1039.39UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1039.39~22.04.1UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1081.87UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-kvm5.15.0-1082.87UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-142.152UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-86.87.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.116.11.0-1015.16~24.04.2UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-86.87.1~22.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1080.81UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1041.44UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1012.12UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1041.44~22.04.2UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1041.44.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1039.39UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1012.12UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1028.28UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1024.24UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-oracle5.15.0-1083.89UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-oracle6.8.0-1038.39UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1038.39~22.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-raspi5.15.0-1080.83UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-raspi6.8.0-1041.45UBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-86.87~22.04.1UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-39728
Ubuntu:24.04:LTSlinux-xilinx6.8.0-1018.19UBUNTU-CVE-2025-39728
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1050.54UBUNTU-CVE-2025-39728

Affected products (as reported)

VendorProductVersions
Linux Linux e620a1e061c4738e26c3edf2abaae7842532cd80 – before 00307934eb94aaa0a99addfb37b9fe206f945004e620a1e061c4738e26c3edf2abaae7842532cd80 – before d974e177369c034984cece9d7d4fada9f8b9c740e620a1e061c4738e26c3edf2abaae7842532cd80 – before 0fef48f4a70e45a93e73c39023c3a6ea624714d6e620a1e061c4738e26c3edf2abaae7842532cd80 – before 4d29a6dcb51e346595a15b49693eeb728925ca43e620a1e061c4738e26c3edf2abaae7842532cd80 – before 24307866e0ac0a5ddb462e766ceda5e27a6fbbe3e620a1e061c4738e26c3edf2abaae7842532cd80 – before a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bfe620a1e061c4738e26c3edf2abaae7842532cd80 – before 157de9e48007a20c65d02fc0229a16f38134a72de620a1e061c4738e26c3edf2abaae7842532cd80 – before d19d7345a7bcdb083b65568a11b11adffe0687af
Linux Linux 5.5

Weakness: CWE-129 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References