linux: In the Linux kernel, the following vulnerability has been resolved: spi: bcm2835: bcm2835_spi_handle_err(): fix NULL...
CVE-2022-49569 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49569, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: spi: bcm2835: bcm2835_spi_handle_err(): fix NULL pointer deref for non DMA transfers In case a IRQ based transfer times out the bcm2835_spi_handle_err() function is called. Since commit 1513ceee70f2 ("spi: bcm2835: Drop dma_pending flag") the TX and RX DMA transfers are unconditionally canceled, leading to NULL pointer derefs if ctlr->dma_tx or ctlr->dma_rx are not set. Fix the NULL pointer deref by checking that ctlr->dma_tx and ctlr->dma_rx are valid pointers before accessing them.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.18.16-1 | DEBIAN-CVE-2022-49569 | Feb 26, 2025 |
| linux · Debian 13.5 (trixie) | 5.18.16-1 | DEBIAN-CVE-2022-49569 | Feb 26, 2025 |
| linux · Debian 14 | 5.18.16-1 | DEBIAN-CVE-2022-49569 | Feb 26, 2025 |
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