CVE-2024-53231: cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw()
First published: Fri Dec 27 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw() cpufreq_cpu_get_raw() may return NULL if the cpu is not in policy->cpus cpu mask and it will cause null pointer dereference.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.19<6.1.120 | |
| Linux Kernel | >=6.2<6.6.64 | |
| Linux Kernel | >=6.7<6.11.11 | |
| Linux Kernel | >=6.12<6.12.2 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://git.kernel.org/stable/c/a357b63fd21e4b2791008c2175ba7a8c235ebce1
- https://git.kernel.org/stable/c/e07570a8f2cfc51260c6266cb8e1bd4777a610d6
- https://git.kernel.org/stable/c/e9b39f1924b76abc18881e4ce899fb232dd23d12
- https://git.kernel.org/stable/c/65fe2f7fdafe2698a343661800434b3f2e51041e
- https://git.kernel.org/stable/c/a78e7207564258db6e373e86294a85f9d646d35a
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-53231
- https://nvd.nist.gov/vuln/detail/CVE-2024-53231
- https://launchpad.net/bugs/cve/CVE-2024-53231
- https://security-tracker.debian.org/tracker/CVE-2024-53231
- https://ubuntu.com/security/CVE-2024-53231
- https://git.kernel.org/linus/a78e7207564258db6e373e86294a85f9d646d35a
Frequently Asked Questions
What is the severity of CVE-2024-53231?
CVE-2024-53231 is classified as a medium severity vulnerability due to the potential for null pointer dereference.
How do I fix CVE-2024-53231?
To mitigate CVE-2024-53231, update the Linux kernel to a version that includes the fix for cpufreq_cpu_get_raw().
What systems are affected by CVE-2024-53231?
CVE-2024-53231 affects multiple versions of the Linux kernel between versions 5.19 to 6.1.120 and certain versions above 6.2.
What are the potential impacts of CVE-2024-53231?
Exploitation of CVE-2024-53231 could lead to system crashes or unexpected behavior due to null pointer dereference.
Is CVE-2024-53231 being actively exploited?
As of now, there are no reports indicating that CVE-2024-53231 is actively being exploited in the wild.
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