{"id":"CVE-2023-52693","state":"PUBLISHED","title":"ACPI: video: check for error while searching for backlight device parent","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: video: check for error while searching for backlight device parent\n\nIf acpi_get_parent() called in acpi_video_dev_register_backlight()\nfails, for example, because acpi_ut_acquire_mutex() fails inside\nacpi_get_parent), this can lead to incorrect (uninitialized)\nacpi_parent handle being passed to acpi_get_pci_dev() for detecting\nthe parent pci device.\n\nCheck acpi_get_parent() result and set parent device only in case of success.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.","publishedAt":"2024-05-17T14:27:26.514Z","updatedAt":"2026-05-11T19:31:49.523Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"556f02699d33c1f40b1b31bd25828ce08fa165d8","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"1e3a2b9b4039bb4d136dca59fb31e06465e056f3","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"c4e1a0ef0b4782854c9b77a333ca912b392bed2f","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"3a370502a5681986f9828e43be75ce26c6ab24af","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"2124c5bc22948fc4d09a23db4a8acdccc7d21e95","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"39af144b6d01d9b40f52e5d773e653957e6c379c","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"72884ce4e10417b1233b614bf134da852df0f15f","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"ccd45faf4973746c4f30ea41eec864e5cf191099","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/acpi_video.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.39","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.39","versionType":"semver"},{"version":"4.19.306","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.268","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.209","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.148","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.75","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.14","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.2","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/acpi_video.c"]}],"references":["https://git.kernel.org/stable/c/556f02699d33c1f40b1b31bd25828ce08fa165d8","https://git.kernel.org/stable/c/1e3a2b9b4039bb4d136dca59fb31e06465e056f3","https://git.kernel.org/stable/c/c4e1a0ef0b4782854c9b77a333ca912b392bed2f","https://git.kernel.org/stable/c/3a370502a5681986f9828e43be75ce26c6ab24af","https://git.kernel.org/stable/c/2124c5bc22948fc4d09a23db4a8acdccc7d21e95","https://git.kernel.org/stable/c/39af144b6d01d9b40f52e5d773e653957e6c379c","https://git.kernel.org/stable/c/72884ce4e10417b1233b614bf134da852df0f15f","https://git.kernel.org/stable/c/ccd45faf4973746c4f30ea41eec864e5cf191099","https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html","https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52693.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52693","state":"PUBLISHED","datePublished":"2024-05-17T14:27:26.514Z","dateUpdated":"2026-05-11T19:31:49.523Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-03-07T14:49:46.889Z"},"containers":{"cna":{"title":"ACPI: 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SVACE."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"556f02699d33c1f40b1b31bd25828ce08fa165d8","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"1e3a2b9b4039bb4d136dca59fb31e06465e056f3","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"c4e1a0ef0b4782854c9b77a333ca912b392bed2f","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"3a370502a5681986f9828e43be75ce26c6ab24af","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"2124c5bc22948fc4d09a23db4a8acdccc7d21e95","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"39af144b6d01d9b40f52e5d773e653957e6c379c","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"72884ce4e10417b1233b614bf134da852df0f15f","versionType":"git"},{"version":"9661e92c10a9775243c1ecb73373528ed8725a10","status":"affected","lessThan":"ccd45faf4973746c4f30ea41eec864e5cf191099","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/acpi_video.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.39","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.39","versionType":"semver"},{"version":"4.19.306","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.268","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.209","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.148","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.75","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.14","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.2","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/acpi_video.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/556f02699d33c1f40b1b31bd25828ce08fa165d8"},{"url":"https://git.kernel.org/stable/c/1e3a2b9b4039bb4d136dca59fb31e06465e056f3"},{"url":"https://git.kernel.org/stable/c/c4e1a0ef0b4782854c9b77a333ca912b392bed2f"},{"url":"https://git.kernel.org/stable/c/3a370502a5681986f9828e43be75ce26c6ab24af"},{"url":"https://git.kernel.org/stable/c/2124c5bc22948fc4d09a23db4a8acdccc7d21e95"},{"url":"https://git.kernel.org/stable/c/39af144b6d01d9b40f52e5d773e653957e6c379c"},{"url":"https://git.kernel.org/stable/c/72884ce4e10417b1233b614bf134da852df0f15f"},{"url":"https://git.kernel.org/stable/c/ccd45faf4973746c4f30ea41eec864e5cf191099"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:31:49.523Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"4.19.306"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"5.4.268"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"5.10.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"5.15.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.1.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.6.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.7.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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