{"id":"CVE-2023-53714","state":"PUBLISHED","title":"drm/stm: ltdc: fix late dereference check","description":"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 'crtc' (see line 1119)","publishedAt":"2025-10-22T13:23:48.341Z","updatedAt":"2026-05-11T19:50:26.200Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"79b44684a14e363d24c299b772f037344ad8c8dc","status":"affected","lessThan":"340dba127bbed51e8425cd8e097aacfadd175462","versionType":"git"},{"version":"79b44684a14e363d24c299b772f037344ad8c8dc","status":"affected","lessThan":"04fe3b82528232aa85a6c45464906d0727ef4f20","versionType":"git"},{"version":"79b44684a14e363d24c299b772f037344ad8c8dc","status":"affected","lessThan":"898a9e3f56db9860ab091d4bf41b6caa99aafc3d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/stm/ltdc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.47","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.12","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/stm/ltdc.c"]}],"references":["https://git.kernel.org/stable/c/340dba127bbed51e8425cd8e097aacfadd175462","https://git.kernel.org/stable/c/04fe3b82528232aa85a6c45464906d0727ef4f20","https://git.kernel.org/stable/c/898a9e3f56db9860ab091d4bf41b6caa99aafc3d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53714.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53714","state":"PUBLISHED","datePublished":"2025-10-22T13:23:48.341Z","dateUpdated":"2026-05-11T19:50:26.200Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-22T13:21:37.347Z"},"containers":{"cna":{"title":"drm/stm: ltdc: fix late dereference check","descriptions":[{"lang":"en","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 'crtc' (see line 1119)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"79b44684a14e363d24c299b772f037344ad8c8dc","status":"affected","lessThan":"340dba127bbed51e8425cd8e097aacfadd175462","versionType":"git"},{"version":"79b44684a14e363d24c299b772f037344ad8c8dc","status":"affected","lessThan":"04fe3b82528232aa85a6c45464906d0727ef4f20","versionType":"git"},{"version":"79b44684a14e363d24c299b772f037344ad8c8dc","status":"affected","lessThan":"898a9e3f56db9860ab091d4bf41b6caa99aafc3d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/stm/ltdc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.47","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.12","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/stm/ltdc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/340dba127bbed51e8425cd8e097aacfadd175462"},{"url":"https://git.kernel.org/stable/c/04fe3b82528232aa85a6c45464906d0727ef4f20"},{"url":"https://git.kernel.org/stable/c/898a9e3f56db9860ab091d4bf41b6caa99aafc3d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:50:26.200Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.4.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}