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)
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Mon, 05 Jan 2026 10:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Thu, 23 Oct 2025 10:30:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Linux
Linux linux Kernel |
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| Vendors & Products |
Linux
Linux linux Kernel |
Thu, 23 Oct 2025 00:15:00 +0000
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| References |
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| Metrics |
threat_severity
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cvssV3_1
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Wed, 22 Oct 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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) | |
| Title | drm/stm: ltdc: fix late dereference check | |
| References |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T19:50:26.200Z
Reserved: 2025-10-22T13:21:37.347Z
Link: CVE-2023-53714
No data.
Status : Deferred
Published: 2025-10-22T14:15:46.040
Modified: 2026-04-15T00:35:42.020
Link: CVE-2023-53714
OpenCVE Enrichment
Updated: 2025-10-23T10:05:06Z
No weakness.