Vulnerability CVE-2024-36976

Vulnerability CVE-2024-36976

Published: 2024-06-18

Description:

In the Linux kernel, the following vulnerability has been resolved:

Revert "media: v4l2-ctrls: show all owned controls in log_status"

This reverts commit 9801b5b28c6929139d6fceeee8d739cc67bb2739.

This patch introduced a potential deadlock scenario:

[Wed May 8 10:02:06 2024] Possible unsafe locking scenario:

[Wed May 8 10:02:06 2024] CPU0 CPU1
[Wed May 8 10:02:06 2024] ---- ----
[Wed May 8 10:02:06 2024] lock(vivid_ctrls:1620:(hdl_vid_cap)->_lock);
[Wed May 8 10:02:06 2024] lock(vivid_ctrls:1608:(hdl_user_vid)->_lock);
[Wed May 8 10:02:06 2024] lock(vivid_ctrls:1620:(hdl_vid_cap)->_lock);
[Wed May 8 10:02:06 2024] lock(vivid_ctrls:1608:(hdl_user_vid)->_lock);

For now just revert.

References:

https://git.kernel.org/stable/c/2e0ce54a9c5c7013b1257be044d99cbe7305e9f1

https://git.kernel.org/stable/c/eba63df7eb1f95df6bfb67722a35372b6994928d

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