CVE-2022-50366
powercap: intel_rapl: fix UBSAN shift-out-of-bounds issue
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
INFO
Published Date :
Sept. 17, 2025, 3:15 p.m.
Last Modified :
Sept. 17, 2025, 3:15 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2022-50366
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Linux kernel to the latest version.
- Apply the provided patch for the powercap driver.
- Reboot the system after applying updates.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-50366.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-50366 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-50366
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-50366 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-50366 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 17, 2025
Action Type Old Value New Value Added 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 Added Reference https://git.kernel.org/stable/c/139bbbd01114433b80fe59f5e1330615aadf9752 Added Reference https://git.kernel.org/stable/c/1d94af37565e4d3c26b0d63428e093a37d5b4c32 Added Reference https://git.kernel.org/stable/c/2d93540014387d1c73b9ccc4d7895320df66d01b Added Reference https://git.kernel.org/stable/c/3eb0ba70376f6ee40fa843fc9cee49269370b0b3 Added Reference https://git.kernel.org/stable/c/42f79dbb9514f726ff21df25f09cb0693b0b2445 Added Reference https://git.kernel.org/stable/c/49a6ffdaed60f0eb52c198fafebc05994e16e305 Added Reference https://git.kernel.org/stable/c/4ebba43384722adbd325baec3a12c572d94488eb Added Reference https://git.kernel.org/stable/c/6216b685b8f48ab7b721a6fd5acbf526b41c13e8 Added Reference https://git.kernel.org/stable/c/708b9abe1b4a2f050a483db4b7edfc446b13df1f