Bug 2400726 (CVE-2022-50439) - CVE-2022-50439 kernel: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready
Summary: CVE-2022-50439 kernel: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready
Keywords:
Status: NEW
Alias: CVE-2022-50439
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-01 12:03 UTC by OSIDB Bzimport
Modified: 2025-11-27 16:43 UTC (History)
0 users

Fixed In Version:
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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
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