{"id":"CVE-2026-93283","published":"2026-09-24T16:17:25.690","lastModified":"2026-09-24T16:17:25.690","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni3c: master: Fix device_register() error path\n\nWhen device_register() fails in i3c_master_register_new_i3c_devs(),\nput_device() is called to drop the reference taken by\ndevice_register().  That drops the last reference, so the device's\nrelease callback i3c_device_release() runs and frees the i3c_device.\n\nTwo problems follow from that:\n\ni3c_device_release() does WARN_ON(i3cdev->desc), so it warns because\ndesc->dev->desc still points back at the descriptor.  Clear it before\ncalling put_device().\n\nAfter put_device() frees the i3c_device, desc->dev is left pointing at\nfreed memory, so clear desc->dev as well.  That prevents, for example,\ni3c_master_unregister_i3c_devs() seeing desc->dev as non-NULL and\ndereferencing it.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/20a2b6df91fd782ef2ff551febef594d0b46a9a7","tags":[]},{"url":"https://git.kernel.org/stable/c/5bf498623f8397d45f85f14cd631c5e5a565c2fb","tags":[]},{"url":"https://git.kernel.org/stable/c/6ecf17bf5fe8da51a6e3fc9e03a76898fcc5c6cf","tags":[]},{"url":"https://git.kernel.org/stable/c/74be657d98a8d684c0475f3cbd450ef2a30ffc73","tags":[]},{"url":"https://git.kernel.org/stable/c/7ef12e1dd06e442eebf370f6e53c41bd056d0f22","tags":[]},{"url":"https://git.kernel.org/stable/c/7f8e2c4f3704d9774bb26b49b1ad6a60ae57d4a0","tags":[]},{"url":"https://git.kernel.org/stable/c/a14dbdf471001dd0601b0c491184990c178a199c","tags":[]},{"url":"https://git.kernel.org/stable/c/d22ad96f1a0c89e0ba66a2facc7430f0923919e3","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}