CVE-2024-50178

cpufreq: loongson3: Use raw_smp_processor_id() in do_service_request()

State: Published
Severity: 5.5 Medium
Published: Nov 8, 2024
Updated: May 11, 2026
Reserved: Oct 21, 2024

Description

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

cpufreq: loongson3: Use raw_smp_processor_id() in do_service_request()

Use raw_smp_processor_id() instead of plain smp_processor_id() in do_service_request(), otherwise we may get some errors with the driver enabled:

BUG: using smp_processor_id() in preemptible [00000000] code: (udev-worker)/208 caller is loongson3_cpufreq_probe+0x5c/0x250 [loongson3_cpufreq]

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	ccf51454145bffd98e31cdbe54a4262473c609e2 to before 2f78e4a6d2702ac03c2bf2ed3a0e344e1fa9f967Affected ccf51454145bffd98e31cdbe54a4262473c609e2 to before 2b7ec33e534f7a10033a5cf07794acf48b182bbeAffected
LinuxLinux	6.11Affected before 6.11Not affected 6.11.3 through 6.11.*Not affected 6.12 and laterNot affected

References

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