CVE-2025-39728

MEDIUM 5.5

clk: samsung: Fix UBSAN panic in samsung_clk_init()

CVSS Score

5.5

EPSS Score

0.0%

EPSS Percentile

0th

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 ...

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Apr 18, 2025
Last Updated	May 11, 2026

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Affected Versions

Linux / Linux

e620a1e061c4738e26c3edf2abaae7842532cd80 < 00307934eb94aaa0a99addfb37b9fe206f945004 e620a1e061c4738e26c3edf2abaae7842532cd80 < d974e177369c034984cece9d7d4fada9f8b9c740 e620a1e061c4738e26c3edf2abaae7842532cd80 < 0fef48f4a70e45a93e73c39023c3a6ea624714d6 e620a1e061c4738e26c3edf2abaae7842532cd80 < 4d29a6dcb51e346595a15b49693eeb728925ca43 e620a1e061c4738e26c3edf2abaae7842532cd80 < 24307866e0ac0a5ddb462e766ceda5e27a6fbbe3 e620a1e061c4738e26c3edf2abaae7842532cd80 < a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bf e620a1e061c4738e26c3edf2abaae7842532cd80 < 157de9e48007a20c65d02fc0229a16f38134a72d e620a1e061c4738e26c3edf2abaae7842532cd80 < d19d7345a7bcdb083b65568a11b11adffe0687af

Linux / Linux

5.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗