fkie_cve-2025-39728
Vulnerability from fkie_nvd
Published
2025-04-18 07:15
Modified
2025-11-03 20:18
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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 ...
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/00307934eb94aaa0a99addfb37b9fe206f945004Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0fef48f4a70e45a93e73c39023c3a6ea624714d6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/157de9e48007a20c65d02fc0229a16f38134a72dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/24307866e0ac0a5ddb462e766ceda5e27a6fbbe3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4d29a6dcb51e346595a15b49693eeb728925ca43Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d19d7345a7bcdb083b65568a11b11adffe0687afPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d974e177369c034984cece9d7d4fada9f8b9c740Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nclk: samsung: Fix UBSAN panic in samsung_clk_init()\n\nWith UBSAN_ARRAY_BOUNDS=y, I\u0027m hitting the below panic due to\ndereferencing `ctx-\u003eclk_data.hws` before setting\n`ctx-\u003eclk_data.num = nr_clks`. Move that up to fix the crash.\n\n  UBSAN: array index out of bounds: 00000000f2005512 [#1] PREEMPT SMP\n  \u003csnip\u003e\n  Call trace:\n   samsung_clk_init+0x110/0x124 (P)\n   samsung_clk_init+0x48/0x124 (L)\n   samsung_cmu_register_one+0x3c/0xa0\n   exynos_arm64_register_cmu+0x54/0x64\n   __gs101_cmu_top_of_clk_init_declare+0x28/0x60\n   ..."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: clk: samsung: Corregir el p\u00e1nico de UBSAN en samsung_clk_init(). Con UBSAN_ARRAY_BOUNDS=y, se produce el p\u00e1nico indicado debido a la desreferencia de `ctx-\u0026gt;clk_data.hws` antes de configurar `ctx-\u0026gt;clk_data.num = nr_clks`. Corregir esta vulnerabilidad para corregir el fallo. UBSAN: \u00edndice de matriz fuera de los l\u00edmites: 00000000f2005512 [#1] PREEMPT SMP  Rastreo de llamadas: 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 ..."
    }
  ],
  "id": "CVE-2025-39728",
  "lastModified": "2025-11-03T20:18:47.170",
  "metrics": {
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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  "published": "2025-04-18T07:15:44.040",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
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}


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