CVE-2024-45828: i3c: mipi-i3c-hci: Mask ring interrupts before ring stop request
First published: Sat Jan 11 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Mask ring interrupts before ring stop request Bus cleanup path in DMA mode may trigger a RING_OP_STAT interrupt when the ring is being stopped. Depending on timing between ring stop request completion, interrupt handler removal and code execution this may lead to a NULL pointer dereference in hci_dma_irq_handler() if it gets to run after the io_data pointer is set to NULL in hci_dma_cleanup(). Prevent this my masking the ring interrupts before ring stop request.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=5.0<5.15.174 | |
| Linux Kernel | >=5.16<6.1.120 | |
| Linux Kernel | >=6.2<6.6.66 | |
| Linux Kernel | >=6.7<6.12.5 |
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Reference Links
- https://git.kernel.org/stable/c/a6cddf68b3405b272b5a3cad9657be0b02b34bf4
- https://git.kernel.org/stable/c/9d745a56aea45e47f4755bc12e6429d6314dbb54
- https://git.kernel.org/stable/c/a6dc4b4fda2e147e557050eaae51ff15edeb680b
- https://git.kernel.org/stable/c/19cc5767334bfe980f52421627d0826c0da86721
- https://git.kernel.org/stable/c/6ca2738174e4ee44edb2ab2d86ce74f015a0cc32
Frequently Asked Questions
What is the severity of CVE-2024-45828?
CVE-2024-45828 has a severity rating that categorizes it based on the potential impact and exploitability.
How do I fix CVE-2024-45828?
To fix CVE-2024-45828, update your Linux kernel to the latest stable version that addresses this vulnerability.
Which versions of Linux Kernel are affected by CVE-2024-45828?
CVE-2024-45828 affects Linux Kernel versions from 5.0 up to 6.12.5.
What impact does CVE-2024-45828 have on systems?
CVE-2024-45828 can affect the integrity and performance of the device by causing erroneous DMA behavior during ring operations.
Is there a workaround for CVE-2024-45828?
Currently, the recommended action is to apply the available updates from your Linux distribution to mitigate CVE-2024-45828.
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