Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 59ebbe40fb51e307032ae7f63b2749fad2d4635a before 445fb9c19cf45bd9472fd9babaa31c5e6c7d2720; affected 59ebbe40fb51e307032ae7f63b2749fad2d4635a before 34bab623ebfc08398499e463396b81abb4abe01e; affected 59ebbe40fb51e307032ae7f63b2749fad2d4635a before 3c6bd448442b6c3f6843ac70d57201a13478dd47; affected 59ebbe40fb51e307032ae7f63b2749fad2d4635a before 43cc5a0afe4184a7fafe1eba32b5a11bb69c9ce0 |
| Linux / Linux | affected 5.13; unaffected 0 before 5.13; unaffected 5.15.61 through 5.15.*; unaffected 5.18.18 through 5.18.*; unaffected 5.19.2 through 5.19.*; unaffected 6.0 through * |
CWE
No CWE identifiers supplied.