CVE-2025-39728

MEDIUM EPSS 11.6%
Published Apr 18, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Apr 18, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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 ...

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
11.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-129

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥5.5  –  <5.10.236
linuxlinux_kernel*≥5.11  –  <5.15.180
linuxlinux_kernel*≥5.16  –  <6.1.134
linuxlinux_kernel*≥6.2  –  <6.6.87
linuxlinux_kernel*≥6.7  –  <6.12.23
linuxlinux_kernel*≥6.13  –  <6.13.11
linuxlinux_kernel*≥6.14  –  <6.14.2

References 10

  • git.kernel.org https://git.kernel.org/stable/c/00307934eb94aaa0a99addfb37b9fe206f945004
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0fef48f4a70e45a93e73c39023c3a6ea624714d6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/157de9e48007a20c65d02fc0229a16f38134a72d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/24307866e0ac0a5ddb462e766ceda5e27a6fbbe3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4d29a6dcb51e346595a15b49693eeb728925ca43
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d19d7345a7bcdb083b65568a11b11adffe0687af
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d974e177369c034984cece9d7d4fada9f8b9c740
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/00307934eb94aaa0a99addfb37b9fe206f945004
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0fef48f4a70e45a93e73c39023c3a6ea624714d6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/157de9e48007a20c65d02fc0229a16f38134a72d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/24307866e0ac0a5ddb462e766ceda5e27a6fbbe3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4d29a6dcb51e346595a15b49693eeb728925ca43
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d19d7345a7bcdb083b65568a11b11adffe0687af
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d974e177369c034984cece9d7d4fada9f8b9c740
    Patch