CVE-2022-50190
spi: Fix simplification of devm_spi_register_controller
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 18, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
59ebbe40fb51e307032ae7f63b2749fad2d4635a < 445fb9c19cf45bd9472fd9babaa31c5e6c7d2720 59ebbe40fb51e307032ae7f63b2749fad2d4635a < 34bab623ebfc08398499e463396b81abb4abe01e 59ebbe40fb51e307032ae7f63b2749fad2d4635a < 3c6bd448442b6c3f6843ac70d57201a13478dd47 59ebbe40fb51e307032ae7f63b2749fad2d4635a < 43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0
Linux / Linux
5.13
References
git.kernel.org: https://git.kernel.org/stable/c/445fb9c19cf45bd9472fd9babaa31c5e6c7d2720 git.kernel.org: https://git.kernel.org/stable/c/34bab623ebfc08398499e463396b81abb4abe01e git.kernel.org: https://git.kernel.org/stable/c/3c6bd448442b6c3f6843ac70d57201a13478dd47 git.kernel.org: https://git.kernel.org/stable/c/43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0