What’s Vulnerable › Vulnerabilities

CVE-2022-50439: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-01 · updated 2026-06-17

Description

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

Affected products

• Linux kernel: from 4.2 before 5.4.229; from 5.5 before 5.10.163; from 5.11 before 5.15.86; from 5.16 before 6.0.16; from 6.1 before 6.1.2 — fixed in 5.10.163, 5.15.86, 5.4.229, 6.0.16, 6.1.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.163, 5.15.86, 5.4.229, 6.0.16. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/190685ff4ee03eef8f12c71d8f626e414fa078a9
• https://git.kernel.org/stable/c/27e7cf595d4a9fea9d3906b47d0faa87896beeb3
• https://git.kernel.org/stable/c/4cbb264d4e9136acab2c8fd39e39ab1b1402b84b
• https://git.kernel.org/stable/c/57491967ad8f865a9a81d08c36b26facd14d84e5
• https://git.kernel.org/stable/c/77c6b6be7e80ca4a4d4b66b63fd5bb48ccefdd5a
• https://git.kernel.org/stable/c/9ce9c78a2bdbc9a014e7102a35834310c28528b9

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