CVE-2024-56778: drm/sti: avoid potential dereference of error pointers in sti_hqvdp_atomic_check
First published: Wed Jan 08 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/sti: avoid potential dereference of error pointers in sti_hqvdp_atomic_check The return value of drm_atomic_get_crtc_state() needs to be checked. To avoid use of error pointer 'crtc_state' in case of the failure.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.6<5.15.174 | |
| Linux Kernel | >=5.16<6.1.120 | |
| Linux Kernel | >=6.2<6.6.64 | |
| Linux Kernel | >=6.7<6.12.4 |
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Reference Links
- https://git.kernel.org/stable/c/31c857e7496d34e5a32a6f75bc024d0b06fd646a
- https://git.kernel.org/stable/c/6b0d0d6e9d3c26697230bf7dc9e6b52bdb24086f
- https://git.kernel.org/stable/c/82a5312f874fb18f045d9658e9bd290e3b0621c0
- https://git.kernel.org/stable/c/837eb99ad3340c7a9febf454f41c8e3edb68ac1e
- https://git.kernel.org/stable/c/c1ab40a1fdfee732c7e6ff2fb8253760293e47e8
Frequently Asked Questions
What is the severity of CVE-2024-56778?
CVE-2024-56778 is classified as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2024-56778?
To mitigate CVE-2024-56778, update the Linux kernel to a version higher than the affected versions which are below 5.15.174, 5.16, 6.2, or 6.7.
What components are affected by CVE-2024-56778?
CVE-2024-56778 affects the Direct Rendering Manager (DRM) subsystem of the Linux kernel.
In which versions of the Linux kernel is CVE-2024-56778 present?
CVE-2024-56778 is present in Linux kernel versions from 4.6 to 5.15.174, 5.16 to 6.1.120, 6.2 to 6.6.64, and 6.7 to 6.12.4.
What is the nature of the vulnerability in CVE-2024-56778?
CVE-2024-56778 involves a potential dereference of error pointers which could cause issues in the drm/sti subsystem.
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