Products
Linux kernel
Source
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Tags
CVE-2021-47500 details
Published : May 24, 2024, 3:15 p.m.
Last Modified : May 24, 2024, 6:09 p.m.
Last Modified : May 24, 2024, 6:09 p.m.
Description
In the Linux kernel, the following vulnerability has been resolved: iio: mma8452: Fix trigger reference couting The mma8452 driver directly assigns a trigger to the struct iio_dev. The IIO core when done using this trigger will call `iio_trigger_put()` to drop the reference count by 1. Without the matching `iio_trigger_get()` in the driver the reference count can reach 0 too early, the trigger gets freed while still in use and a use-after-free occurs. Fix this by getting a reference to the trigger before assigning it to the IIO device.
CVSS Score
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Weakness
Weakness | Name | Description |
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References
URL | Source |
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https://git.kernel.org/stable/c/094d513b78b1714113bc016684b8142382e071ba | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/794c0898f6bf39a458655d5fb4af70ec43a5cfcb | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/acf0088ac073ca6e7f4cad6acac112177e08df5e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/c43517071dfc9fce34f8f69dbb98a86017f6b739 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/cd0082235783f814241a1c9483fb89e405f4f892 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/db12d95085367de8b0223929d1332731024441f1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/f5deab10ced368c807866283f8b79144c4823be8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
https://git.kernel.org/stable/c/fb75cc4740d81264cd5bcb0e17d961d018a8be96 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
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