CVE-2023-53714

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

drm/stm: ltdc: fix late dereference check

In ltdc_crtc_set_crc_source(), struct drm_crtc was dereferenced in a container_of() before the pointer check. This could cause a kernel panic.

Fix this smatch warning: drivers/gpu/drm/stm/ltdc.c:1124 ltdc_crtc_set_crc_source() warn: variable dereferenced before check crtc (see line 1119)

References

• https://git.kernel.org/stable/c/04fe3b82528232aa85a6c45464906d0727ef4f20
• https://git.kernel.org/stable/c/340dba127bbed51e8425cd8e097aacfadd175462
• https://git.kernel.org/stable/c/898a9e3f56db9860ab091d4bf41b6caa99aafc3d