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PUBLISHED

CVE-2024-26788

dmaengine: fsl-qdma: init irq after reg initialization

Reserved:2024-02-19
Published:2024-04-04
Updated:2024-04-04

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: fsl-qdma: init irq after reg initialization Initialize the qDMA irqs after the registers are configured so that interrupts that may have been pending from a primary kernel don't get processed by the irq handler before it is ready to and cause panic with the following trace: Call trace: fsl_qdma_queue_handler+0xf8/0x3e8 __handle_irq_event_percpu+0x78/0x2b0 handle_irq_event_percpu+0x1c/0x68 handle_irq_event+0x44/0x78 handle_fasteoi_irq+0xc8/0x178 generic_handle_irq+0x24/0x38 __handle_domain_irq+0x90/0x100 gic_handle_irq+0x5c/0xb8 el1_irq+0xb8/0x180 _raw_spin_unlock_irqrestore+0x14/0x40 __setup_irq+0x4bc/0x798 request_threaded_irq+0xd8/0x190 devm_request_threaded_irq+0x74/0xe8 fsl_qdma_probe+0x4d4/0xca8 platform_drv_probe+0x50/0xa0 really_probe+0xe0/0x3f8 driver_probe_device+0x64/0x130 device_driver_attach+0x6c/0x78 __driver_attach+0xbc/0x158 bus_for_each_dev+0x5c/0x98 driver_attach+0x20/0x28 bus_add_driver+0x158/0x220 driver_register+0x60/0x110 __platform_driver_register+0x44/0x50 fsl_qdma_driver_init+0x18/0x20 do_one_initcall+0x48/0x258 kernel_init_freeable+0x1a4/0x23c kernel_init+0x10/0xf8 ret_from_fork+0x10/0x18

Product status

Default status
unaffected

b092529e0aa0 before 3cc5fb824c21
affected

b092529e0aa0 before 9579a21e99fe
affected

b092529e0aa0 before 4529c084a320
affected

b092529e0aa0 before 474d521da890
affected

b092529e0aa0 before a69c8bbb9469
affected

b092529e0aa0 before 677102a93064
affected

b092529e0aa0 before 87a39071e0b6
affected

Default status
affected

5.1
affected

Any version before 5.1
unaffected

5.4.271
unaffected

5.10.212
unaffected

5.15.151
unaffected

6.1.81
unaffected

6.6.21
unaffected

6.7.9
unaffected

6.8
unaffected

References

https://git.kernel.org/stable/c/3cc5fb824c2125aa3740d905b3e5b378c8a09478

https://git.kernel.org/stable/c/9579a21e99fe8dab22a253050ddff28d340d74e1

https://git.kernel.org/stable/c/4529c084a320be78ff2c5e64297ae998c6fdf66b

https://git.kernel.org/stable/c/474d521da890b3e3585335fb80a6044cb2553d99

https://git.kernel.org/stable/c/a69c8bbb946936ac4eb6a6ae1e849435aa8d947d

https://git.kernel.org/stable/c/677102a930643c31f1b4c512b041407058bdfef8

https://git.kernel.org/stable/c/87a39071e0b639f45e05d296cc0538eef44ec0bd

cve.org CVE-2024-26788

nvd.nist.gov CVE-2024-26788

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