UBUNTU-CVE-2025-40011

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UBUNTU-CVE-2025-40011

Summary:

Details: 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.

References: https://ubuntu.com/security/CVE-2025-40011, https://www.cve.org/CVERecord?id=CVE-2025-40011, https://git.kernel.org/linus/352e66900cde63f3dadb142364d3c35170bbaaff, 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, https://ubuntu.com/security/notices/USN-8033-1, https://ubuntu.com/security/notices/USN-8033-2, https://ubuntu.com/security/notices/USN-8033-3, https://ubuntu.com/security/notices/USN-8034-1, https://ubuntu.com/security/notices/USN-8033-4, https://ubuntu.com/security/notices/USN-8033-5, https://ubuntu.com/security/notices/USN-8034-2, https://ubuntu.com/security/notices/USN-8033-6, https://ubuntu.com/security/notices/USN-8033-7, https://ubuntu.com/security/notices/USN-8033-8, https://ubuntu.com/security/notices/USN-8095-1, https://ubuntu.com/security/notices/USN-8100-1, https://ubuntu.com/security/notices/USN-8095-2, https://ubuntu.com/security/notices/USN-8095-3, https://ubuntu.com/security/notices/USN-8095-4, https://ubuntu.com/security/notices/USN-8125-1, https://ubuntu.com/security/notices/USN-8126-1, https://ubuntu.com/security/notices/USN-8095-5, https://ubuntu.com/security/notices/USN-8141-1, https://ubuntu.com/security/notices/USN-8163-1, https://ubuntu.com/security/notices/USN-8165-1, https://ubuntu.com/security/notices/USN-8163-2, https://ubuntu.com/security/notices/USN-8243-1, https://ubuntu.com/security/notices/USN-8261-1