FKIE_CVE-2022-50366

Vulnerability from fkie_nvd - Published: 2025-09-17 15:15 - Updated: 2025-12-10 18:25
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Summary
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
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/139bbbd01114433b80fe59f5e1330615aadf9752Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1d94af37565e4d3c26b0d63428e093a37d5b4c32Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2d93540014387d1c73b9ccc4d7895320df66d01bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3eb0ba70376f6ee40fa843fc9cee49269370b0b3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/42f79dbb9514f726ff21df25f09cb0693b0b2445Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/49a6ffdaed60f0eb52c198fafebc05994e16e305Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4ebba43384722adbd325baec3a12c572d94488ebPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6216b685b8f48ab7b721a6fd5acbf526b41c13e8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/708b9abe1b4a2f050a483db4b7edfc446b13df1fPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowercap: intel_rapl: fix UBSAN shift-out-of-bounds issue\n\nWhen value \u003c time_unit, the parameter of ilog2() will be zero and\nthe return value is -1. u64(-1) is too large for shift exponent\nand then will trigger shift-out-of-bounds:\n\nshift exponent 18446744073709551615 is too large for 32-bit type \u0027int\u0027\nCall Trace:\n rapl_compute_time_window_core\n rapl_write_data_raw\n set_time_window\n store_constraint_time_window_us"
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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