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CVE-2024-26975 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: powercap: intel_rapl: Fix a NULL pointer dereference A NULL pointer dereference is triggered when probing the MMIO RAPL driver on platforms with CPU ID not listed in intel_rapl_common CPU model list. This is because the intel_rapl_common module still probes on such platforms even if 'defaults_msr' is not set after commit 1488ac990ac8 ("powercap: intel_rapl: Allow probing without CPUID match"). Thus the MMIO RAPL rp->priv->defaults is NULL when registering to RAPL framework. Fix the problem by adding sanity check to ensure rp->priv->rapl_defaults is always valid.


Severity



CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

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Hyperlink Resource
https://git.kernel.org/stable/c/0641908b906a133f1494c312a71f9fecbe2b6c78
https://git.kernel.org/stable/c/2d1f5006ff95770da502f8cee2a224a1ff83866e
https://git.kernel.org/stable/c/2f73cf2ae5e0f4e629db5be3a4380ff7807148e6
https://git.kernel.org/stable/c/9b254feb249981b66ccdb1dae54e757789a15ba1

Weakness Enumeration

CWE-ID CWE Name Source

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-26975
NVD Published Date:
05/01/2024
NVD Last Modified:
05/01/2024
Source:
kernel.org