CVE-2026-68346

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68346", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.384Z", "datePublished": "2026-08-10T12:03:23.079Z", "dateUpdated": "2026-08-17T05:03:46.731Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:03:46.731Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/hda/codecs/side-codecs/cs35l41_hda.c"], "versions": [{"version": "447106e92a0c86c332d40710436f38f64c322cd6", "lessThan": "7fea0c89ed39a13d9a31163a74f8c62de30a4ffc", "status": "affected", "versionType": "git"}, {"version": "447106e92a0c86c332d40710436f38f64c322cd6", "lessThan": "08433c71f15984ddd5f5a307cf3f0aa9b84583aa", "status": "affected", "versionType": "git"}, {"version": "447106e92a0c86c332d40710436f38f64c322cd6", "lessThan": "d5dfdf43259ad9d054052012095b1630e7366dcf", "status": "affected", "versionType": "git"}, {"version": "447106e92a0c86c332d40710436f38f64c322cd6", "lessThan": "3b597d24dc0455ae926f1053f97c2725038fc3cd", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/hda/codecs/side-codecs/cs35l41_hda.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.2"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-68346", "lastModified": "2026-08-17T06:17:42.827", "metrics": {}, "published": "2026-08-10T13:20:25.207", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/08433c71f15984ddd5f5a307cf3f0aa9b84583aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3b597d24dc0455ae926f1053f97c2725038fc3cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7fea0c89ed39a13d9a31163a74f8c62de30a4ffc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d5dfdf43259ad9d054052012095b1630e7366dcf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: ALSA cs35l41 driver memory leak and potential system instability", "id": "2513307", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513307"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nALSA: hda: cs35l41: validate and free ACPI mute object\ncs35l41_get_acpi_mute_state() evaluates a _DSM method to get the ACPI\nmute state and reads the first byte from the returned object.\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.\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.\nUse the typed _DSM helper, validate that the returned buffer contains at\nleast one byte, and free the ACPI object after reading it.", "A flaw was found in the ALSA cs35l41 driver within the Linux kernel. The `cs35l41_get_acpi_mute_state()` function fails to properly free an ACPI object after use, leading to a memory leak with each successful query. Additionally, the driver does not validate the returned ACPI object, allowing a malformed firmware response to cause an invalid pointer dereference. This could lead to system instability or a denial of service."], "name": "CVE-2026-68346", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-10T12:03:23Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68346\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68346\nhttps://git.kernel.org/stable/c/08433c71f15984ddd5f5a307cf3f0aa9b84583aa\nhttps://git.kernel.org/stable/c/3b597d24dc0455ae926f1053f97c2725038fc3cd\nhttps://git.kernel.org/stable/c/7fea0c89ed39a13d9a31163a74f8c62de30a4ffc\nhttps://git.kernel.org/stable/c/d5dfdf43259ad9d054052012095b1630e7366dcf"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[447106e92a0c86c332d40710436f38f64c322cd6,7fea0c89ed39a13d9a31163a74f8c62de30a4ffc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[447106e92a0c86c332d40710436f38f64c322cd6,08433c71f15984ddd5f5a307cf3f0aa9b84583aa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[447106e92a0c86c332d40710436f38f64c322cd6,d5dfdf43259ad9d054052012095b1630e7366dcf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[447106e92a0c86c332d40710436f38f64c322cd6,3b597d24dc0455ae926f1053f97c2725038fc3cd)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc5,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T16:45:03.477672+00:00", "updated": "2026-08-13T06:00:04.715874+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}