CVE-2024-50178: cpufreq: loongson3: Use raw_smp_processor_id() in do_service_request()
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: loongson3: Use rawsmpprocessorid() in doservicerequest()
Use rawsmpprocessorid() instead of plain smpprocessorid() in doservicerequest(), otherwise we may get some errors with the driver enabled:
BUG: using smpprocessorid() in preemptible [00000000] code: (udev-worker)/208 caller is loongson3cpufreqprobe+0x5c/0x250 [loongson3cpufreq]
Other sources
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— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-50178?
CVE-2024-50178 has been classified as a medium severity vulnerability.
How do I fix CVE-2024-50178?
To fix CVE-2024-50178, update your Linux kernel to version 6.11.3 or later.
Which versions of the Linux kernel are affected by CVE-2024-50178?
CVE-2024-50178 affects all versions of the Linux kernel prior to 6.11.3.
What component of the Linux kernel is impacted by CVE-2024-50178?
CVE-2024-50178 impacts the cpufreq subsystem specifically related to the loongson3 architecture.
Is there a workaround for CVE-2024-50178 before patching?
There are no known workarounds for CVE-2024-50178; upgrading the kernel is recommended.