CVE-2023-53714

Summary

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)

Affected Software

VendorProductVersion RangeStatus
LinuxLinux79b44684a14e363d24c299b772f037344ad8c8dc < 340dba127bbed51e8425cd8e097aacfadd175462affected
LinuxLinux79b44684a14e363d24c299b772f037344ad8c8dc < 04fe3b82528232aa85a6c45464906d0727ef4f20affected
LinuxLinux79b44684a14e363d24c299b772f037344ad8c8dc < 898a9e3f56db9860ab091d4bf41b6caa99aafc3daffected
LinuxLinux5.18affected
LinuxLinux0 < 5.18unaffected
LinuxLinux6.1.47 <= 6.1.*unaffected
LinuxLinux6.4.12 <= 6.4.*unaffected
LinuxLinux6.5 <= *unaffected

Weaknesses

References