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CVE-2022-50734

nvmem: core: Fix memleak in nvmem_register() PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: nvmem: core: Fix memleak in nvmem_register() dev_set_name will alloc memory for nvmem->dev.kobj.name in nvmem_register, when nvmem_validate_keepouts failed, nvmem's memory will be freed and return, but nobody will free memory for nvmem->dev.kobj.name, there will be memleak, so moving nvmem_validate_keepouts() after device_register() and let the device core deal with cleaning name in error cases.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected de0534df93474f268486c486ea7e01b44a478026 before 9391cc3a787a58aa224a6440d7f244d780ba2896; affected de0534df93474f268486c486ea7e01b44a478026 before 2bd2774df0ce37920b23819a860a66fdbdd90823; affected de0534df93474f268486c486ea7e01b44a478026 before b6054b9b239a493672f853b034570cca93ba7a88; affected de0534df93474f268486c486ea7e01b44a478026 before bd1244561fa2a4531ded40dbf09c9599084f8b29; affected c1d44b93ca9f3ebc26b0de0a7f4b7156702762b6; affected 63c2b13ba0428b8f477e4adb1d40a50eb4493c09; affected 5.13.19 before 5.14; affected 5.14.6 before 5.15
Linux / Linuxaffected 5.15; unaffected 0 before 5.15; unaffected 5.15.75 through 5.15.*; unaffected 5.19.17 through 5.19.*; unaffected 6.0.3 through 6.0.*; unaffected 6.1 through *

CWE

No CWE identifiers supplied.

References