CVE-2025-39728

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 …

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe620a1e061c4738e26c3edf2abaae7842532cd80 < 00307934eb94aaa0a99addfb37b9fe206f945004affected
LinuxLinuxe620a1e061c4738e26c3edf2abaae7842532cd80 < d974e177369c034984cece9d7d4fada9f8b9c740affected
LinuxLinuxe620a1e061c4738e26c3edf2abaae7842532cd80 < 0fef48f4a70e45a93e73c39023c3a6ea624714d6affected
LinuxLinuxe620a1e061c4738e26c3edf2abaae7842532cd80 < 4d29a6dcb51e346595a15b49693eeb728925ca43affected
LinuxLinuxe620a1e061c4738e26c3edf2abaae7842532cd80 < 24307866e0ac0a5ddb462e766ceda5e27a6fbbe3affected
LinuxLinuxe620a1e061c4738e26c3edf2abaae7842532cd80 < a1500b98cd81a32fdfb9bc63c33bb9f0c2a0a1bfaffected
LinuxLinuxe620a1e061c4738e26c3edf2abaae7842532cd80 < 157de9e48007a20c65d02fc0229a16f38134a72daffected
LinuxLinuxe620a1e061c4738e26c3edf2abaae7842532cd80 < d19d7345a7bcdb083b65568a11b11adffe0687afaffected
LinuxLinux5.5affected
LinuxLinux0 < 5.5unaffected
LinuxLinux5.10.236 <= 5.10.*unaffected
LinuxLinux5.15.180 <= 5.15.*unaffected
LinuxLinux6.1.134 <= 6.1.*unaffected
LinuxLinux6.6.87 <= 6.6.*unaffected
LinuxLinux6.12.23 <= 6.12.*unaffected
LinuxLinux6.13.11 <= 6.13.*unaffected
LinuxLinux6.14.2 <= 6.14.*unaffected
LinuxLinux6.15 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References