{"id":"CVE-2024-56782","state":"PUBLISHED","title":"ACPI: x86: Add adev NULL check to acpi_quirk_skip_serdev_enumeration()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: x86: Add adev NULL check to acpi_quirk_skip_serdev_enumeration()\n\nacpi_dev_hid_match() does not check for adev == NULL, dereferencing\nit unconditional.\n\nAdd a check for adev being NULL before calling acpi_dev_hid_match().\n\nAt the moment acpi_quirk_skip_serdev_enumeration() is never called with\na controller_parent without an ACPI companion, but better safe than sorry.","publishedAt":"2025-01-08T17:51:58.768Z","updatedAt":"2026-05-23T15:56:05.325Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"99b572e6136eab69a8c91d72cf8595b256e304b5","status":"affected","lessThan":"e173bce05f7032a8b4964cfef82a4b7668f5f3af","versionType":"git"},{"version":"99b572e6136eab69a8c91d72cf8595b256e304b5","status":"affected","lessThan":"4a49194f587a62d972b602e3e1a2c3cfe6567966","versionType":"git"},{"version":"4af6a20d48342db472f9a865c037dfeea9104d0d","status":"affected","versionType":"git"},{"version":"6.8.6","status":"affected","lessThan":"6.9","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/x86/utils.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.12.5","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/x86/utils.c"]}],"references":["https://git.kernel.org/stable/c/e173bce05f7032a8b4964cfef82a4b7668f5f3af","https://git.kernel.org/stable/c/4a49194f587a62d972b602e3e1a2c3cfe6567966"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:08:12.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/56xxx/CVE-2024-56782.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-56782","state":"PUBLISHED","datePublished":"2025-01-08T17:51:58.768Z","dateUpdated":"2026-05-23T15:56:05.325Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-29T11:26:39.768Z"},"containers":{"cna":{"title":"ACPI: x86: Add adev NULL check to acpi_quirk_skip_serdev_enumeration()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: x86: Add adev NULL check to acpi_quirk_skip_serdev_enumeration()\n\nacpi_dev_hid_match() does not check for adev == NULL, dereferencing\nit unconditional.\n\nAdd a check for adev being NULL before calling acpi_dev_hid_match().\n\nAt the moment acpi_quirk_skip_serdev_enumeration() is never called with\na controller_parent without an ACPI companion, but better safe than sorry."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"99b572e6136eab69a8c91d72cf8595b256e304b5","status":"affected","lessThan":"e173bce05f7032a8b4964cfef82a4b7668f5f3af","versionType":"git"},{"version":"99b572e6136eab69a8c91d72cf8595b256e304b5","status":"affected","lessThan":"4a49194f587a62d972b602e3e1a2c3cfe6567966","versionType":"git"},{"version":"4af6a20d48342db472f9a865c037dfeea9104d0d","status":"affected","versionType":"git"},{"version":"6.8.6","status":"affected","lessThan":"6.9","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/x86/utils.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.12.5","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/x86/utils.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e173bce05f7032a8b4964cfef82a4b7668f5f3af"},{"url":"https://git.kernel.org/stable/c/4a49194f587a62d972b602e3e1a2c3cfe6567966"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:56:05.325Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.12.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2024-56782","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:56:18.597496Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:57:23.697Z"}}]}}}