In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix the using of Rx buffer DMA The wx_rx_buffer structure contained two DMA address fields: 'dma' and 'page_dma'. However, only 'page_dma' was actually initialized and used to program the Rx descriptor. But 'dma' was uninitialized and used in some paths. This could lead to undefined behavior, including DMA errors or use-after-free, if the uninitialized 'dma' was used. Althrough such error has not yet occurred, it is worth fixing in the code.
| Product | Vendor | Version |
|---|---|---|
| Linux | Linux | from 5.5.0 prior to 5.5.1 |
| Linux | Linux | Adobe Acrobat Reader 2017.012.20098 and earlier versions, 2017.011.30066 and earlier versions, 2015.006.30355 and earlier versions, 11.0.22 and earlier versions |
| Linux | Linux | n/a |
| Linux | Linux | < 9.2.25 |