CVE-2026-98362 PUBLISHED

clk: scpi: bound-check DVFS index in scpi_dvfs_recalc_rate

Assigner: Linux
Reserved: 25.09.2026 Published: 06.10.2026 Updated: 06.10.2026

In the Linux kernel, the following vulnerability has been resolved:

clk: scpi: bound-check DVFS index in scpi_dvfs_recalc_rate

dvfs_get_idx() may return an out-of-range index if the SCP firmware is buggy or returns a stale value. Only negative indexes were rejected, so a large index walked past info->opps and could treat garbage as a clock rate (KASAN OOB / wrong frequency to consumers). The missing upper bound dates back to the original SCPI clock driver.

Treat indexes >= opp count as invalid and return 0, same as idx < 0.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from cd52c2a4b5c43631e429d06dce12e08b0cab477f to 6e3b55823da8ef0d99621efb422cc29f50d7f280 (excl.)
  • affected from cd52c2a4b5c43631e429d06dce12e08b0cab477f to 7204095917aeaac89db7377c29a457351a19b076 (excl.)
  • affected from cd52c2a4b5c43631e429d06dce12e08b0cab477f to 0f89e2ac0e945da2ce798f6a61aebf9d291c2e0a (excl.)
  • affected from cd52c2a4b5c43631e429d06dce12e08b0cab477f to 56b7a9d89c67932bf11b71e3b6d17941fc24a393 (excl.)
  • affected from cd52c2a4b5c43631e429d06dce12e08b0cab477f to a82b274697d0876b478594ca78ad1e6cb062467b (excl.)
  • affected from cd52c2a4b5c43631e429d06dce12e08b0cab477f to e1188332a9110cf3635fe286481ee38305b3c2b6 (excl.)
  • affected from cd52c2a4b5c43631e429d06dce12e08b0cab477f to 108c46e8dacc4a0e472a74f98171115d49cbc079 (excl.)
  • affected from cd52c2a4b5c43631e429d06dce12e08b0cab477f to 70f4b78d560e592cbf3325b162424737d032fc1d (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.4 is affected
  • unaffected from 0 to 4.4 (excl.)
  • unaffected from 5.10.271 to 5.10.* (incl.)
  • unaffected from 5.15.222 to 5.15.* (incl.)
  • unaffected from 6.1.189 to 6.1.* (incl.)
  • unaffected from 6.6.158 to 6.6.* (incl.)
  • unaffected from 6.12.112 to 6.12.* (incl.)
  • unaffected from 6.18.54 to 6.18.* (incl.)
  • unaffected from 7.2.8 to 7.2.* (incl.)
  • unaffected from 7.3-rc4 to * (incl.)

References