What’s Vulnerable › Vulnerabilities

CVE-2023-53714: drm/stm: ltdc: fix late dereference check

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-22 · updated 2026-10-28

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)

Affected products

• Linux kernel: 5.18 — fixed in 6.5

How to fix

Upgrade to a fixed version: Linux kernel 6.5. Check the vendor advisory for mitigations.

References

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

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