CVE-2022-50848: drivers: dio: fix possible memory leak in dio_init()

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-30 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drivers: dio: fix possible memory leak in dio_init() If device_register() returns error, the 'dev' and name needs be freed. Add a release function, and then call put_device() in the error path, so the name is freed in kobject_cleanup() and to the 'dev' is freed in release function.

Affected products

Linux kernel: 2.6.29 — fixed in 6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/4b68caa95064ac464f1b261d08ac677e753d1088
https://git.kernel.org/stable/c/78fddc0ff971f9874d53c854818cc4aafa144114
https://git.kernel.org/stable/c/8e002b9fe831b27d4506df6fa60cb33ba0730ac3
https://git.kernel.org/stable/c/a0ead7e8da84f4c3759417b8e928b65e0207c646
https://git.kernel.org/stable/c/a524e7fed696a4dfef671e0fda3511bfd2dca0cf
https://git.kernel.org/stable/c/affe3cea6b3148fa66796a48640664822ceccd48
https://git.kernel.org/stable/c/da64e01da40c6b71a54144126da53cc3b27201ac
https://git.kernel.org/stable/c/e63e99397b2613d50a5f4f02ed07307e67a190f1
https://git.kernel.org/stable/c/fce9890e1be4c0460dad850cc8c00414a9d25f0f

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