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CVE-2024-26975

5.5 · MEDIUM

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…

Published May 1, 2024CWE-476EPSS 0.23%

Overview

CVE-2024-26975 is a medium-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0641908b906a133f1494c312a71f9fecbe2b6c78Refgit.kernel.org/stable/c/2d1f5006ff95770da502f8cee2a224a1ff83866eRefgit.kernel.org/stable/c/2f73cf2ae5e0f4e629db5be3a4380ff7807148e6Refgit.kernel.org/stable/c/9b254feb249981b66ccdb1dae54e757789a15ba1Refgit.kernel.org/stable/c/0641908b906a133f1494c312a71f9fecbe2b6c78Refgit.kernel.org/stable/c/2d1f5006ff95770da502f8cee2a224a1ff83866eRefgit.kernel.org/stable/c/2f73cf2ae5e0f4e629db5be3a4380ff7807148e6Refgit.kernel.org/stable/c/9b254feb249981b66ccdb1dae54e757789a15ba1

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26975?

CVE-2024-26975 is a medium-severity vulnerability. It was published on May 1, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-26975?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-26975?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-26975?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26975 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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