CVE-2024-50178

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

MEDIUM
5.5
CVSS Score
Published: November 8, 2024 at 05:24 AM UTC
Updated: June 17, 2026 at 08:03 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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]

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.11.36.11 ≤ v < 6.11.36.11 ≤ v < 6.126.11ccf51454145bffd98e31cdbe54a4262473c609e2
Vendor states this is fixed in 2b7ec33e534f7a10033a5cf07794acf48b182bbe (fixed)
Vendor states this is fixed in 2f78e4a6d2702ac03c2bf2ed3a0e344e1fa9f967 (fixed)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.11.3 (unaffected)
Vendor states this is fixed in 6.12 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2b7ec33e534f7a10033a5cf07794acf48b182bbe
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2f78e4a6d2702ac03c2bf2ed3a0e344e1fa9f967

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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