What’s Vulnerable › Vulnerabilities

CVE-2025-40011: drm/gma500: Fix null dereference in hdmi teardown

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-20 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: drm/gma500: Fix null dereference in hdmi teardown pci_set_drvdata sets the value of pdev->driver_data to NULL, after which the driver_data obtained from the same dev is dereferenced in oaktrail_hdmi_i2c_exit, and the i2c_dev is extracted from it. To prevent this, swap these calls. Found by Linux Verification Center (linuxtesting.org) with Svacer.

Affected products

• Linux kernel: 3.3 — fixed in 6.17

How to fix

Upgrade to a fixed version: Linux kernel 6.17. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/02e4ff4941efb9bbb40d8d5b61efa1a4119b1ba7
• https://git.kernel.org/stable/c/0fc650fa475b50c1da8236c5e900b9460c7027bc
• https://git.kernel.org/stable/c/352e66900cde63f3dadb142364d3c35170bbaaff
• https://git.kernel.org/stable/c/4bbfd1b290857b9d14ea9d91562bde55ff2bc85e
• https://git.kernel.org/stable/c/6ffa6b5bc861a3ea9dfcdc007f002b4a347c24ba
• https://git.kernel.org/stable/c/70b0c11483d3b90b2d0f416026e475e084a77e62
• https://git.kernel.org/stable/c/e15de80737d444ed743b1c60ced4a3a97913169b
• https://git.kernel.org/stable/c/f800f7054d2cf28b51296c7c575da27c29e3859b

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