CVE-2026-98362 - clk: scpi: bound-check DVFS index in scpi_dvfs_recalc_rate
CVE ID :CVE-2026-98362
Published : Oct. 6, 2026, 9:18 a.m. | 2 hours, 27 minutes ago
Description :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.
Severity: 0.0 | NA
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Published : Oct. 6, 2026, 9:18 a.m. | 2 hours, 27 minutes ago
Description :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.
Severity: 0.0 | NA
Visit the link for more details, such as CVSS details, affected products, timeline, and more...