CVE-2024-53230
cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost()
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Description
In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost() cpufreq_cpu_get_raw() may return NULL if the cpu is not in policy->cpus cpu mask and it will cause null pointer dereference, so check NULL for cppc_get_cpu_cost().
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/1975b481f644f8f841d9c188e3c214fce187f18b
- https://git.kernel.org/stable/c/1a1374bb8c5926674973d849feed500bc61ad535
- https://git.kernel.org/stable/c/6be57617a38b3f33266acecdb3c063c1c079aaf7
- https://git.kernel.org/stable/c/afd22d9839359829776abb55cc9bc4946e888704
- https://git.kernel.org/stable/c/f05ef81db63889f6f14eb77fd140dac6cedb6f7f
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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