What’s Vulnerable › Vulnerabilities

CVE-2022-48852: drm/vc4: hdmi: Unregister codec device on unbind

• Severity: low (CVSS 3.3 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: 2024-07-16 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: hdmi: Unregister codec device on unbind On bind we will register the HDMI codec device but we don't unregister it on unbind, leading to a device leakage. Unregister our device at unbind.

Affected products

• Linux kernel: before 5.15.29; from 5.16 before 5.16.15 — fixed in 5.15.29, 5.16.15

How to fix

Upgrade to a fixed version: Linux kernel 5.15.29, 5.16.15. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1ed68d776246f167aee9cd79f63f089c40a5e2a3
• https://git.kernel.org/stable/c/e40945ab7c7f966d0c37b7bd7b0596497dfe228d
• https://git.kernel.org/stable/c/ee22082c3e2f230028afa0e22aa8773b1de3c919
• https://git.kernel.org/stable/c/1ed68d776246f167aee9cd79f63f089c40a5e2a3
• https://git.kernel.org/stable/c/e40945ab7c7f966d0c37b7bd7b0596497dfe228d
• https://git.kernel.org/stable/c/ee22082c3e2f230028afa0e22aa8773b1de3c919

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