CVE-2026-43155 PUBLISHED

mux: mmio: fix regmap leak on probe failure

Assigner: Linux
Reserved: 01.05.2026 Published: 06.05.2026 Updated: 06.05.2026

In the Linux kernel, the following vulnerability has been resolved:

mux: mmio: fix regmap leak on probe failure

The mmio regmap that may be allocated during probe is never freed.

Switch to using the device managed allocator so that the regmap is released on probe failures (e.g. probe deferral) and on driver unbind.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 61de83fd8256e185588670d3cf0bccc3e913819c to 76096f156fe9dc9fbd6e4618088706e91b9b0a6c (excl.)
  • affected from 61de83fd8256e185588670d3cf0bccc3e913819c to cbde3c109d52564ae2c12e514c33c44345e84b2c (excl.)
  • affected from 61de83fd8256e185588670d3cf0bccc3e913819c to 3c4ae63073d84abee5d81ce46d86a94e9dae9c89 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.16 is affected
  • unaffected from 0 to 6.16 (excl.)
  • unaffected from 6.18.16 to 6.18.* (incl.)
  • unaffected from 6.19.6 to 6.19.* (incl.)
  • unaffected from 7.0 to * (incl.)

References