What’s Vulnerable › Vulnerabilities

CVE-2022-50847: drm/bridge: it6505: Initialize AUX channel in it6505_i2c_probe

• Severity: unknown
• 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: 2025-12-30 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: it6505: Initialize AUX channel in it6505_i2c_probe During device boot, the HPD interrupt could be triggered before the DRM subsystem registers it6505 as a DRM bridge. In such cases, the driver tries to access AUX channel and causes NULL pointer dereference. Initializing the AUX channel earlier to prevent such error.

Affected products

• Linux kernel: 5.18 — fixed in 6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/172d4d64075075f955e6e416915e3f287eec514a
• https://git.kernel.org/stable/c/8ed8505803774fc3f36a432718036c21cc51e2ba
• https://git.kernel.org/stable/c/e577d4b13064c337b83fe7edecb3f34e87144821

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