CVE-2024-50178

MEDIUM

Linux Kernel < 6.11.3 - Denial of Service via Preemptible smp_processor_id() Call

Title source: llm

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]

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/2f78e4a6d2702ac03c2bf2ed3a0e344e1fa9f967

Patch

https://git.kernel.org/stable/c/2b7ec33e534f7a10033a5cf07794acf48b182bbe

Scores

CVSS v3 5.5

EPSS 0.0019

EPSS Percentile 8.7%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (8)

linux/Kernel 6.11.0 - 6.11.3linux

Linux/Linux < 6.11

Linux/Linux 6.11

Linux/Linux 6.11.3 - 6.11.*

Linux/Linux 6.12

Linux/Linux ccf51454145bffd98e31cdbe54a4262473c609e2 - 2b7ec33e534f7a10033a5cf07794acf48b182bbe

Linux/Linux ccf51454145bffd98e31cdbe54a4262473c609e2 - 2f78e4a6d2702ac03c2bf2ed3a0e344e1fa9f967

linux/linux_kernel < 6.11.3

Published Nov 08, 2024

Tracked Since Feb 18, 2026