CVE-2022-50366

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

Affected Software

VendorProductVersion RangeStatus
LinuxLinux2d281d8196e38dd3a4ee9af26621ddde8329f269 < 42f79dbb9514f726ff21df25f09cb0693b0b2445affected
LinuxLinux2d281d8196e38dd3a4ee9af26621ddde8329f269 < 3eb0ba70376f6ee40fa843fc9cee49269370b0b3affected
LinuxLinux2d281d8196e38dd3a4ee9af26621ddde8329f269 < 4ebba43384722adbd325baec3a12c572d94488ebaffected
LinuxLinux2d281d8196e38dd3a4ee9af26621ddde8329f269 < 49a6ffdaed60f0eb52c198fafebc05994e16e305affected
LinuxLinux2d281d8196e38dd3a4ee9af26621ddde8329f269 < 708b9abe1b4a2f050a483db4b7edfc446b13df1faffected
LinuxLinux2d281d8196e38dd3a4ee9af26621ddde8329f269 < 139bbbd01114433b80fe59f5e1330615aadf9752affected
LinuxLinux2d281d8196e38dd3a4ee9af26621ddde8329f269 < 6216b685b8f48ab7b721a6fd5acbf526b41c13e8affected
LinuxLinux2d281d8196e38dd3a4ee9af26621ddde8329f269 < 1d94af37565e4d3c26b0d63428e093a37d5b4c32affected
LinuxLinux2d281d8196e38dd3a4ee9af26621ddde8329f269 < 2d93540014387d1c73b9ccc4d7895320df66d01baffected
LinuxLinux3.13affected
LinuxLinux0 < 3.13unaffected
LinuxLinux4.9.331 <= 4.9.*unaffected
LinuxLinux4.14.296 <= 4.14.*unaffected
LinuxLinux4.19.262 <= 4.19.*unaffected
LinuxLinux5.4.220 <= 5.4.*unaffected
LinuxLinux5.10.150 <= 5.10.*unaffected
LinuxLinux5.15.75 <= 5.15.*unaffected
LinuxLinux5.19.17 <= 5.19.*unaffected
LinuxLinux6.0.3 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References