{"api_version":"1","generated_at":"2026-08-15T05:26:22+00:00","cve":"CVE-2026-68346","urls":{"html":"https://cve.report/CVE-2026-68346","api":"https://cve.report/api/cve/CVE-2026-68346.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68346","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68346"},"summary":{"title":"ALSA: hda: cs35l41: validate and free ACPI mute object","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: cs35l41: validate and free ACPI mute object\n\ncs35l41_get_acpi_mute_state() evaluates a _DSM method to get the ACPI\nmute state and reads the first byte from the returned object.\n\nHowever, the returned ACPI object is owned by the caller and is never\nfreed after use, so each successful query leaks the _DSM result object.\n\nThe code also assumes that the returned object is a buffer with at least\none byte. A malformed firmware response can return a different object\ntype or an empty buffer, and the direct ret->buffer.pointer dereference\ncan then access an invalid pointer.\n\nUse the typed _DSM helper, validate that the returned buffer contains at\nleast one byte, and free the ACPI object after reading it.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:25","updated_at":"2026-08-10 13:20:25"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3b597d24dc0455ae926f1053f97c2725038fc3cd","name":"https://git.kernel.org/stable/c/3b597d24dc0455ae926f1053f97c2725038fc3cd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/08433c71f15984ddd5f5a307cf3f0aa9b84583aa","name":"https://git.kernel.org/stable/c/08433c71f15984ddd5f5a307cf3f0aa9b84583aa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d5dfdf43259ad9d054052012095b1630e7366dcf","name":"https://git.kernel.org/stable/c/d5dfdf43259ad9d054052012095b1630e7366dcf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7fea0c89ed39a13d9a31163a74f8c62de30a4ffc","name":"https://git.kernel.org/stable/c/7fea0c89ed39a13d9a31163a74f8c62de30a4ffc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68346","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68346","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 447106e92a0c86c332d40710436f38f64c322cd6 7fea0c89ed39a13d9a31163a74f8c62de30a4ffc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 447106e92a0c86c332d40710436f38f64c322cd6 08433c71f15984ddd5f5a307cf3f0aa9b84583aa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 447106e92a0c86c332d40710436f38f64c322cd6 d5dfdf43259ad9d054052012095b1630e7366dcf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 447106e92a0c86c332d40710436f38f64c322cd6 3b597d24dc0455ae926f1053f97c2725038fc3cd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.101 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.42 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.6 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc5 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/hda/codecs/side-codecs/cs35l41_hda.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7fea0c89ed39a13d9a31163a74f8c62de30a4ffc","status":"affected","version":"447106e92a0c86c332d40710436f38f64c322cd6","versionType":"git"},{"lessThan":"08433c71f15984ddd5f5a307cf3f0aa9b84583aa","status":"affected","version":"447106e92a0c86c332d40710436f38f64c322cd6","versionType":"git"},{"lessThan":"d5dfdf43259ad9d054052012095b1630e7366dcf","status":"affected","version":"447106e92a0c86c332d40710436f38f64c322cd6","versionType":"git"},{"lessThan":"3b597d24dc0455ae926f1053f97c2725038fc3cd","status":"affected","version":"447106e92a0c86c332d40710436f38f64c322cd6","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/hda/codecs/side-codecs/cs35l41_hda.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc5","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.42","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc5","versionStartIncluding":"6.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: cs35l41: validate and free ACPI mute object\n\ncs35l41_get_acpi_mute_state() evaluates a _DSM method to get the ACPI\nmute state and reads the first byte from the returned object.\n\nHowever, the returned ACPI object is owned by the caller and is never\nfreed after use, so each successful query leaks the _DSM result object.\n\nThe code also assumes that the returned object is a buffer with at least\none byte. A malformed firmware response can return a different object\ntype or an empty buffer, and the direct ret->buffer.pointer dereference\ncan then access an invalid pointer.\n\nUse the typed _DSM helper, validate that the returned buffer contains at\nleast one byte, and free the ACPI object after reading it."}],"providerMetadata":{"dateUpdated":"2026-08-10T12:03:23.079Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7fea0c89ed39a13d9a31163a74f8c62de30a4ffc"},{"url":"https://git.kernel.org/stable/c/08433c71f15984ddd5f5a307cf3f0aa9b84583aa"},{"url":"https://git.kernel.org/stable/c/d5dfdf43259ad9d054052012095b1630e7366dcf"},{"url":"https://git.kernel.org/stable/c/3b597d24dc0455ae926f1053f97c2725038fc3cd"}],"title":"ALSA: hda: cs35l41: validate and free ACPI mute object","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68346","datePublished":"2026-08-10T12:03:23.079Z","dateReserved":"2026-07-30T09:28:09.384Z","dateUpdated":"2026-08-10T12:03:23.079Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:25","lastModifiedDate":"2026-08-10 13:20:25","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68346","Ordinal":"1","Title":"ALSA: hda: cs35l41: validate and free ACPI mute object","CVE":"CVE-2026-68346","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68346","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: cs35l41: validate and free ACPI mute object\n\ncs35l41_get_acpi_mute_state() evaluates a _DSM method to get the ACPI\nmute state and reads the first byte from the returned object.\n\nHowever, the returned ACPI object is owned by the caller and is never\nfreed after use, so each successful query leaks the _DSM result object.\n\nThe code also assumes that the returned object is a buffer with at least\none byte. A malformed firmware response can return a different object\ntype or an empty buffer, and the direct ret->buffer.pointer dereference\ncan then access an invalid pointer.\n\nUse the typed _DSM helper, validate that the returned buffer contains at\nleast one byte, and free the ACPI object after reading it.","Type":"Description","Title":"ALSA: hda: cs35l41: validate and free ACPI mute object"}]}}}