Bug 2400726 (CVE-2022-50439)

Summary: CVE-2022-50439 kernel: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2025-10-01 12:03:46 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ASoC: mediatek: mt8173: Enable IRQ when pdata is ready

If the device does not come straight from reset, we might receive an IRQ
before we are ready to handle it.


[    2.334737] Unable to handle kernel read from unreadable memory at virtual address 00000000000001e4
[    2.522601] Call trace:
[    2.525040]  regmap_read+0x1c/0x80
[    2.528434]  mt8173_afe_irq_handler+0x40/0xf0
...
[    2.598921]  start_kernel+0x338/0x42c
Comment 1 Jon Moroney 2025-10-01 22:19:54 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025100100-CVE-2022-50439-6054@gregkh/T