CVE-2022-50190
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJun 18, 2025
First seenJun 18, 2025
How to fix
Update
- linux linux_kernel5.15.61, 5.18.18, 5.19.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.13 ≤ v < 5.15.61, 5.16 ≤ v < 5.18.18, 5.19 ≤ v < 5.19.2 | 5.15.61, 5.18.18, 5.19.2 |
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