CVE-2022-50366 Details
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
A shift-out-of-bounds vulnerability has been identified in the Intel RAPL powercap driver of the Linux kernel. This issue arises when a value is less than the time unit, causing the parameter for the ilog2() function to be zero, which in turn leads to a return value of -1. The unsigned 64-bit representation of -1 is too large for the shift exponent, triggering the out-of-bounds condition. The vulnerability affects the stable versions of the Linux kernel.
Users can upgrade to the latest stable version of the Linux kernel, where this vulnerability has been addressed. Instructions for downloading the latest version can be found on the official Linux kernel website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/139bbbd01114433b80fe59f5e1330615aadf9752 | kernel.org | Patch |
| https://git.kernel.org/stable/c/1d94af37565e4d3c26b0d63428e093a37d5b4c32 | kernel.org | Patch |
| https://git.kernel.org/stable/c/2d93540014387d1c73b9ccc4d7895320df66d01b | kernel.org | Patch |
| https://git.kernel.org/stable/c/3eb0ba70376f6ee40fa843fc9cee49269370b0b3 | kernel.org | Patch |
| https://git.kernel.org/stable/c/42f79dbb9514f726ff21df25f09cb0693b0b2445 | kernel.org | Patch |
| https://git.kernel.org/stable/c/49a6ffdaed60f0eb52c198fafebc05994e16e305 | kernel.org | Patch |
| https://git.kernel.org/stable/c/4ebba43384722adbd325baec3a12c572d94488eb | kernel.org | Patch |
| https://git.kernel.org/stable/c/6216b685b8f48ab7b721a6fd5acbf526b41c13e8 | kernel.org | Patch |
| https://git.kernel.org/stable/c/708b9abe1b4a2f050a483db4b7edfc446b13df1f | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
| CWE-125 | Out-of-bounds Read | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | < 4.9.331 >= 4.10, < 4.14.296 >= 4.15, < 4.19.262 >= 4.20, < 5.4.220 >= 5.5, < 5.10.150 >= 5.11, < 5.15.75 >= 5.16, < 5.19.17 >= 6.0, < 6.0.3 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jan 14, 2026 | CVE Modified | CISA-ADP |
| Dec 10, 2025 | Initial Analysis | [email protected] |
| Sep 17, 2025 | New CVE Received | kernel.org |