Riskcovery

CVE-2024-26975

powercap: intel_rapl: Fix a NULL pointer dereference

State
Published
Severity
Not scored
Published
May 1, 2024
Updated
May 11, 2026
Reserved
Feb 19, 2024

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 1488ac990ac886b1209aa9f94c0c66022bcc8827 to before 0641908b906a133f1494c312a71f9fecbe2b6c78Affected
  • 1488ac990ac886b1209aa9f94c0c66022bcc8827 to before 9b254feb249981b66ccdb1dae54e757789a15ba1Affected
  • 1488ac990ac886b1209aa9f94c0c66022bcc8827 to before 2f73cf2ae5e0f4e629db5be3a4380ff7807148e6Affected
  • 1488ac990ac886b1209aa9f94c0c66022bcc8827 to before 2d1f5006ff95770da502f8cee2a224a1ff83866eAffected
LinuxLinux
  • 6.5Affected
  • before 6.5Not affected
  • 6.6.24 through 6.6.*Not affected
  • 6.7.12 through 6.7.*Not affected
  • 6.8.3 through 6.8.*Not affected
  • 6.9 and laterNot affected

References

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