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
References (9)
Core 9
Core References
Scores
CVSS v3
7.1
EPSS
0.0001
EPSS Percentile
2.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (9)
linux/Kernel
3.13.0 - 4.9.331linux
linux/Kernel
4.10.0 - 4.14.296linux
linux/Kernel
4.15.0 - 4.19.262linux
linux/Kernel
4.20.0 - 5.4.220linux
linux/Kernel
5.11.0 - 5.15.75linux
linux/Kernel
5.16.0 - 5.19.17linux
linux/Kernel
5.20.0 - 6.0.3linux
linux/Kernel
5.5.0 - 5.10.150linux
linux/linux_kernel
< 4.9.331
Published
Sep 17, 2025
Tracked Since
Feb 18, 2026