{"cve":"CVE-2025-39728","nvd":{"published":"2025-04-18T07:15:44.040","modified":"2026-06-17T09:18:21.620","status":"Modified","description":"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'm hitting the below panic due to\ndereferencing `ctx->clk_data.hws` before setting\n`ctx->clk_data.num = nr_clks`. Move that up to fix the crash.\n\n  UBSAN: array index out of bounds: 00000000f2005512 [#1] PREEMPT SMP\n  <snip>\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   ...","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-129"],"references":["https://git.kernel.org/stable/c/00307934eb94aaa0a99addfb37b9fe206f945004","https://git.kernel.org/stable/c/0fef48f4a70e45a93e73c39023c3a6ea624714d6","https://git.kernel.org/stable/c/157de9e48007a20c65d02fc0229a16f38134a72d","https://git.kernel.org/stable/c/24307866e0ac0a5ddb462e766ceda5e27a6fbbe3","https://git.kernel.org/stable/c/4d29a6dcb51e346595a15b49693eeb728925ca43"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:11.054312287+00:00"},"epss":{"cve":"CVE-2025-39728","score":0.00278,"percentile":0.20267,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}