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CVE-2022-50190

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CVE-2022-50190

Published: Jun 18, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: spi: Fix simplification of devm_spi_register_controller This reverts commit 59ebbe40fb51 ("spi: simplify devm_spi_register_controller"). If devm_add_action() fails in devm_add_action_or_reset(), devm_spi_unregister() will be called, it decreases the refcount of 'ctlr->dev' to 0, then it will cause uaf in the drivers that calling spi_put_controller() in error path.

VendorProductVersions

Linux

Linux

affected
59ebbe40fb51e307032ae7f63b2749fad2d4635a - < 445fb9c19cf45bd9472fd9babaa31c5e6c7d2720
affected
59ebbe40fb51e307032ae7f63b2749fad2d4635a - < 34bab623ebfc08398499e463396b81abb4abe01e
affected
59ebbe40fb51e307032ae7f63b2749fad2d4635a - < 3c6bd448442b6c3f6843ac70d57201a13478dd47
affected
59ebbe40fb51e307032ae7f63b2749fad2d4635a - < 43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0

Linux

Linux

affected
5.13
unaffected
0 - < 5.13
unaffected
5.15.61 - <= 5.15.*
unaffected
5.18.18 - <= 5.18.*
unaffected
5.19.2 - <= 5.19.*

+1 more versions

References

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