Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected ae6d9ce05691bf79694074db7c7da980080548af before 094d513b78b1714113bc016684b8142382e071ba; affected ae6d9ce05691bf79694074db7c7da980080548af before fb75cc4740d81264cd5bcb0e17d961d018a8be96; affected ae6d9ce05691bf79694074db7c7da980080548af before 794c0898f6bf39a458655d5fb4af70ec43a5cfcb; affected ae6d9ce05691bf79694074db7c7da980080548af before f5deab10ced368c807866283f8b79144c4823be8; affected ae6d9ce05691bf79694074db7c7da980080548af before acf0088ac073ca6e7f4cad6acac112177e08df5e; affected ae6d9ce05691bf79694074db7c7da980080548af before db12d95085367de8b0223929d1332731024441f1; affected ae6d9ce05691bf79694074db7c7da980080548af before c43517071dfc9fce34f8f69dbb98a86017f6b739; affected ae6d9ce05691bf79694074db7c7da980080548af before cd0082235783f814241a1c9483fb89e405f4f892 |
| Linux / Linux | affected 4.2; unaffected 0 before 4.2; unaffected 4.4.295 through 4.4.*; unaffected 4.9.293 through 4.9.*; unaffected 4.14.258 through 4.14.*; unaffected 4.19.221 through 4.19.*; unaffected 5.4.165 through 5.4.*; unaffected 5.10.85 through 5.10.*; unaffected 5.15.8 through 5.15.*; unaffected 5.16 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/094d513b78b1714113bc016684b8142382e071ba
- https://git.kernel.org/stable/c/fb75cc4740d81264cd5bcb0e17d961d018a8be96
- https://git.kernel.org/stable/c/794c0898f6bf39a458655d5fb4af70ec43a5cfcb
- https://git.kernel.org/stable/c/f5deab10ced368c807866283f8b79144c4823be8
- https://git.kernel.org/stable/c/acf0088ac073ca6e7f4cad6acac112177e08df5e
- https://git.kernel.org/stable/c/db12d95085367de8b0223929d1332731024441f1
- https://git.kernel.org/stable/c/c43517071dfc9fce34f8f69dbb98a86017f6b739
- https://git.kernel.org/stable/c/cd0082235783f814241a1c9483fb89e405f4f892
ADP enrichment
No English description supplied.
- https://git.kernel.org/stable/c/094d513b78b1714113bc016684b8142382e071ba
- https://git.kernel.org/stable/c/fb75cc4740d81264cd5bcb0e17d961d018a8be96
- https://git.kernel.org/stable/c/794c0898f6bf39a458655d5fb4af70ec43a5cfcb
- https://git.kernel.org/stable/c/f5deab10ced368c807866283f8b79144c4823be8
- https://git.kernel.org/stable/c/acf0088ac073ca6e7f4cad6acac112177e08df5e
- https://git.kernel.org/stable/c/db12d95085367de8b0223929d1332731024441f1
- https://git.kernel.org/stable/c/c43517071dfc9fce34f8f69dbb98a86017f6b739
- https://git.kernel.org/stable/c/cd0082235783f814241a1c9483fb89e405f4f892
No English description supplied.
No references supplied.