CVE-2022-49512

Summary

In the Linux kernel, the following vulnerability has been resolved:

mtd: rawnand: denali: Use managed device resources

All of the resources used by this driver has managed interfaces, so use them. Otherwise we will get the following splat:

[ 4.472703] denali-nand-pci 0000:00:05.0: timeout while waiting for irq 0x1000 [ 4.474071] denali-nand-pci: probe of 0000:00:05.0 failed with error -5 [ 4.473538] nand: No NAND device found [ 4.474068] BUG: unable to handle page fault for address: ffffc90005000410 [ 4.475169] #PF: supervisor write access in kernel mode [ 4.475579] #PF: error_code(0x0002) - not-present page [ 4.478362] RIP: 0010:iowrite32+0x9/0x50 [ 4.486068] Call Trace: [ 4.486269] <IRQ> [ 4.486443] denali_isr+0x15b/0x300 [denali] [ 4.486788] ? denali_direct_write+0x50/0x50 [denali] [ 4.487189] __handle_irq_event_percpu+0x161/0x3b0 [ 4.487571] handle_irq_event+0x7d/0x1b0 [ 4.487884] handle_fasteoi_irq+0x2b0/0x770 [ 4.488219] __common_interrupt+0xc8/0x1b0 [ 4.488549] common_interrupt+0x9a/0xc0

Affected Software

Weaknesses

References

• https://git.kernel.org/stable/c/3c68daf4a368cd9e63ae5a2145c9e4a6f838c166
• https://git.kernel.org/stable/c/3830dbdfb9a4aec680e43ed80b9f23db7a88eac9
• https://git.kernel.org/stable/c/87149cf9186201a63f0e0b93d9fa93d480bcb771
• https://git.kernel.org/stable/c/efea1dd176edd17c8252051b7de6957f06efc394
• https://git.kernel.org/stable/c/3a745b51cddafade99aaea1b93aad31e9614e230

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