{"id":"CVE-2025-39728","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-39728","generatedAt":"2026-10-28T04:43:56.079Z","title":"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 =…","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   ...","published":"2025-04-18T07:15:44.000Z","lastModified":"2026-06-17T09:18:22.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-129"],"affected":["linux/linux kernel"],"epss":{"score":0.00278,"percentile":0.20105,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/00307934eb94aaa0a99addfb37b9fe206f945004","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0fef48f4a70e45a93e73c39023c3a6ea624714d6","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/157de9e48007a20c65d02fc0229a16f38134a72d","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/24307866e0ac0a5ddb462e766ceda5e27a6fbbe3","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4d29a6dcb51e346595a15b49693eeb728925ca43","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bf","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d19d7345a7bcdb083b65568a11b11adffe0687af","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d974e177369c034984cece9d7d4fada9f8b9c740","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-39728","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}