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CVE-2022-50366

7.1 · HIGH

In the Linux kernel, the following vulnerability has been resolved: powercap: intel_rapl: fix UBSAN shift-out-of-bounds issue When value < time_unit, the parameter of ilog2() will be zero and the…

Published Sep 17, 2025CWE-125EPSS 0.22%

Overview

CVE-2022-50366 is a high-severity vulnerability. It was published on September 17, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. 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 UBSAN shift-out-of-bounds issue

When value < time_unit, the parameter of ilog2() will be zero and

the return value is -1. u64(-1) is too large for shift exponent

and then will trigger shift-out-of-bounds:

shift exponent 18446744073709551615 is too large for 32-bit type 'int'

Call Trace:

rapl_compute_time_window_core

rapl_write_data_raw

set_time_window

store_constraint_time_window_us

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/139bbbd01114433b80fe59f5e1330615aadf9752Refgit.kernel.org/stable/c/1d94af37565e4d3c26b0d63428e093a37d5b4c32Refgit.kernel.org/stable/c/2d93540014387d1c73b9ccc4d7895320df66d01bRefgit.kernel.org/stable/c/3eb0ba70376f6ee40fa843fc9cee49269370b0b3Refgit.kernel.org/stable/c/42f79dbb9514f726ff21df25f09cb0693b0b2445Refgit.kernel.org/stable/c/49a6ffdaed60f0eb52c198fafebc05994e16e305Refgit.kernel.org/stable/c/4ebba43384722adbd325baec3a12c572d94488ebRefgit.kernel.org/stable/c/6216b685b8f48ab7b721a6fd5acbf526b41c13e8Refgit.kernel.org/stable/c/708b9abe1b4a2f050a483db4b7edfc446b13df1f

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50366?

CVE-2022-50366 is a high-severity vulnerability. It was published on September 17, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2022-50366?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-50366?

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-2022-50366?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50366 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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