CVE-2022-50366: Linux Kernel

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

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

Affected products

• Linux Linux Kernel: before 4.9.331 (fixed in 4.9.331); from 4.10, before 4.14.296 (fixed in 4.14.296); from 4.15, before 4.19.262 (fixed in 4.19.262); from 4.20, before 5.4.220 (fixed in 5.4.220); from 5.5, before 5.10.150 (fixed in 5.10.150); from 5.11, before 5.15.75 (fixed in 5.15.75); …

Published 2025-09-17. Last modified 2026-06-17.