HID: sensor: custom: Fix field sysfs group cleanup on failure

Summary

In the Linux kernel, the following vulnerability has been resolved: HID: sensor: custom: Fix field sysfs group cleanup on failure hid_sensor_custom_add_attributes() creates one sysfs group for each custom sensor field. If sysfs_create_group() fails after some groups have already been created, the function returns the error without removing the previously created groups. Add a local unwind path to remove the groups that were already created. With enable_sensor exposed only after the field attributes are ready, this path can free sensor_inst->fields without leaving enable_sensor able to access pointers into that array.

Timeline

1. Sep 11, 2026, 7:45 PM UTCCVE published
2. Oct 16, 2026, 7:24 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: no · Technical impact: total

3. Oct 19, 2026, 8:49 AM UTCRecord last updated

Affected versions

• Linux Linux

  From 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d · fixed in 416194933af63bd58d03b7605b1ebc1711186838; From 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d · fixed in d0e15091e88d18e30b67daf85b88f6528bb9bf41; From 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d · fixed in 10b05fafff932e325896d59dde40938954ab4577; From 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d · fixed in 2409779f3096fcef41bcf57b5f4887d0fa0dc8dd; From 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d · fixed in 79154fad98ee843e5363940841e2d831503c190a; From 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d · fixed in f3f37b937a6ea2a00fb5e6189e74f855caa43eb5; From 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d · fixed in d96f8958d4469ac02d9c563686cdd968005b944d; From 4a7de0519df5e8fb89cef6ee062330ffe4b50a4d · fixed in 3789d0802ddb4b3be04062caf4bfadd23496e9a7

• Linux Linux

  4.1

• KernelLinux

  From 4.1.0 · fixed in 5.10.270; From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.109; From 6.13.0 · fixed in 6.18.50; From 6.19.0 · fixed in 7.2.4

References 8