CVE-2023-53714 (GCVE-0-2023-53714)

Vulnerability from cvelistv5 – Published: 2025-10-22 13:23 – Updated: 2026-01-05 10:32
VLAI?
Title
drm/stm: ltdc: fix late dereference check
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)
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 79b44684a14e363d24c299b772f037344ad8c8dc , < 340dba127bbed51e8425cd8e097aacfadd175462 (git)
Affected: 79b44684a14e363d24c299b772f037344ad8c8dc , < 04fe3b82528232aa85a6c45464906d0727ef4f20 (git)
Affected: 79b44684a14e363d24c299b772f037344ad8c8dc , < 898a9e3f56db9860ab091d4bf41b6caa99aafc3d (git)
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    Linux Linux Affected: 5.18
Unaffected: 0 , < 5.18 (semver)
Unaffected: 6.1.47 , ≤ 6.1.* (semver)
Unaffected: 6.4.12 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/stm: ltdc: fix late dereference check\n\nIn ltdc_crtc_set_crc_source(), struct drm_crtc was dereferenced in a\ncontainer_of() before the pointer check. This could cause a kernel panic.\n\nFix this smatch warning:\ndrivers/gpu/drm/stm/ltdc.c:1124 ltdc_crtc_set_crc_source() warn: variable dereferenced before check \u0027crtc\u0027 (see line 1119)"
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.