CVE-2026-43317 PUBLISHED

most: core: fix leak on early registration failure

Assigner: Linux
Reserved: 01.05.2026 Published: 08.05.2026 Updated: 08.05.2026

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

most: core: fix leak on early registration failure

A recent commit fixed a resource leak on early registration failures but for some reason left out the first error path which still leaks the resources associated with the interface.

Fix up also the first error path so that the interface is always released on errors.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c to bbfe49ffb892bddf32c34bea95b7ff0fc30affb5 (excl.)
  • affected from 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c to f1ba620f9e8d7291f80c0554e4b820f5fb30e819 (excl.)
  • affected from 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c to 5fd4396c2e48e90cc2597a86c18227d56ea845f0 (excl.)
  • affected from 723de0f9171eeb49a3ae98cae82ebbbb992b3a7c to 2c198c272f9c9213b0fdf6b4a879f445c574f416 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.6 is affected
  • unaffected from 0 to 5.6 (excl.)
  • unaffected from 6.12.75 to 6.12.* (incl.)
  • 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