{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74293", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.881Z", "datePublished": "2026-08-15T05:57:58.889Z", "dateUpdated": "2026-10-16T18:55:30.824Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:45:31.193Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: fsl: fsl_audmix: Validate written enum values\n\nfsl_audmix_put_mix_clk_src() and fsl_audmix_put_out_src()\nconvert the user-provided enum item with snd_soc_enum_item_to_val()\nbefore checking whether the item is within the enum's item count.\n\nThe generic snd_soc_put_enum_double() helper performs that\nvalidation, but these callbacks use the converted value first: the\nclock-source path tests it with BIT(), and the output-source path\nindexes the prms transition table with it.\n\nReject out-of-range enum items before converting them."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - Exploitation requires a local SNDRV_CTL_IOCTL_ELEM_WRITE to /dev/snd/controlC* for the fsl-audmix \"Output Source\" or \"Mixing Clock Source\" mixer controls; no network, Bluetooth, or physical-input path reaches these put callbacks.\nAC:L - On default builds without CONFIG_SND_CTL_INPUT_VALIDATION, a single ioctl supplying an out-of-range enumerated.item[0] deterministically reaches the buggy snd_soc_enum_item_to_val()/prms[] indexing before snd_soc_put_enum_double() rejects the value; no race or uncontrollable state is needed.\nPR:L - snd_ctl_open() and snd_ctl_elem_write() perform no capability or namespace checks; any local user with ordinary access to the ALSA control device (common on i.MX8QM/i.MX952 automotive/embedded systems via audio-group or seat ACLs) can trigger the vulnerable callbacks.\nUI:N - The attacker issues the control write from its own process after opening the control device; no separate victim action such as mounting a filesystem or opening a file is required.\nS:U - The flaw corrupts or misreads kernel data and programs on-chip AUDMIX MMIO within the same host kernel security authority; it does not cross a VM, IOMMU, or sandbox boundary.\nC:H - Out-of-range enum indices are used to index the static prms[out_src][val] transition table and in BIT(val) before bounds checks, causing out-of-bounds reads of kernel rodata that are copied into transition state and can disclose adjacent memory contents.\nI:H - Attacker-chosen indices can select unintended prms transition cells or out-of-bounds prm data that pass fsl_audmix_state_trans() and drive snd_soc_component_update_bits() to write attacker-influenced mask/ctr values into AUDMIX hardware control registers.\nA:H - Large enum values can provoke undefined BIT() shifts, read past the prms table boundary, and program invalid AUDMIX control-register states that can kernel-fault or hang the audio subsystem; conservative scoring treats this memory-corruption class as high availability impact."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/fsl/fsl_audmix.c"], "versions": [{"version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "lessThan": "7513831b90a38d55fa089e3e1b49691e467afee6", "status": "affected", "versionType": "git"}, {"version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "lessThan": "b4774a7da12b14fc37219ab4368d1907f9b5aca4", "status": "affected", "versionType": "git"}, {"version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "lessThan": 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/soc/fsl/fsl_audmix.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7513831b90a38d55fa089e3e1b49691e467afee6", "status": "affected", "version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "versionType": "git"}, {"lessThan": "b4774a7da12b14fc37219ab4368d1907f9b5aca4", "status": "affected", "version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "versionType": "git"}, {"lessThan": "8fb4364eb494b926d009bfaf3c98f07c3aa5d9f3", "status": "affected", "version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "versionType": "git"}, {"lessThan": "0b10c6203e62d9e7337cc401568b201f9bac79ec", "status": "affected", "version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "versionType": "git"}, {"lessThan": "b36d6d48faa6b1bb723b8f4e527c531a1a68520e", "status": "affected", "version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "versionType": "git"}, {"lessThan": "0f1510e84d7bfc3eb9538efa65c6ea0aadf1078c", "status": "affected", "version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "versionType": "git"}, {"lessThan": "5b7a23c1ed04e794ef3b31e452ef5c93e1e34b4a", "status": "affected", "version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "versionType": "git"}, {"lessThan": "3cd17e4e2871114d5579fa7bc8da66faf7fc1930", "status": "affected", "version": "be1df61cf06efb355c90702e46b8d46f055acb4e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/soc/fsl/fsl_audmix.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.2"}, {"lessThan": "5.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "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\nASoC: fsl: fsl_audmix: Validate written enum values\n\nfsl_audmix_put_mix_clk_src() and fsl_audmix_put_out_src()\nconvert the user-provided enum item with snd_soc_enum_item_to_val()\nbefore checking whether the item is within the enum's item count.\n\nThe generic snd_soc_put_enum_double() helper performs that\nvalidation, but these callbacks use the converted value first: the\nclock-source path tests it with BIT(), and the output-source path\nindexes the prms transition table with it.\n\nReject out-of-range enum items before converting them."}], "id": "CVE-2026-74293", "lastModified": "2026-10-16T19:17:37.113", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-74293", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T18:52:26.432701Z", "version": "2.0.3"}}]}, "published": "2026-08-15T06:22:28.877", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0b10c6203e62d9e7337cc401568b201f9bac79ec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0f1510e84d7bfc3eb9538efa65c6ea0aadf1078c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3cd17e4e2871114d5579fa7bc8da66faf7fc1930"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5b7a23c1ed04e794ef3b31e452ef5c93e1e34b4a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7513831b90a38d55fa089e3e1b49691e467afee6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8fb4364eb494b926d009bfaf3c98f07c3aa5d9f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b36d6d48faa6b1bb723b8f4e527c531a1a68520e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b4774a7da12b14fc37219ab4368d1907f9b5aca4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ASoC: fsl: fsl_audmix: Validate written enum values", "id": "2516792", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516792"}, "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-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nASoC: fsl: fsl_audmix: Validate written enum values\nfsl_audmix_put_mix_clk_src() and fsl_audmix_put_out_src()\nconvert the user-provided enum item with snd_soc_enum_item_to_val()\nbefore checking whether the item is within the enum's item count.\nThe generic snd_soc_put_enum_double() helper performs that\nvalidation, but these callbacks use the converted value first: the\nclock-source path tests it with BIT(), and the output-source path\nindexes the prms transition table with it.\nReject out-of-range enum items before converting them.", "A flaw was found in the Linux kernel's Advanced Linux Sound Architecture System on Chip (ASoC) subsystem, specifically within the `fsl_audmix` component. The `fsl_audmix_put_mix_clk_src()` and `fsl_audmix_put_out_src()` functions do not properly validate user-provided enum values before processing them. This improper validation could allow a local attacker to supply out-of-range values, potentially leading to unexpected system behavior or a denial of service."], "name": "CVE-2026-74293", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74293\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74293\nhttps://lore.kernel.org/linux-cve-announce/2026081548-CVE-2026-74293-aa3d@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[be1df61cf06efb355c90702e46b8d46f055acb4e,7513831b90a38d55fa089e3e1b49691e467afee6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[be1df61cf06efb355c90702e46b8d46f055acb4e,b4774a7da12b14fc37219ab4368d1907f9b5aca4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[be1df61cf06efb355c90702e46b8d46f055acb4e,8fb4364eb494b926d009bfaf3c98f07c3aa5d9f3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[be1df61cf06efb355c90702e46b8d46f055acb4e,0b10c6203e62d9e7337cc401568b201f9bac79ec)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[be1df61cf06efb355c90702e46b8d46f055acb4e,b36d6d48faa6b1bb723b8f4e527c531a1a68520e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[be1df61cf06efb355c90702e46b8d46f055acb4e,0f1510e84d7bfc3eb9538efa65c6ea0aadf1078c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[be1df61cf06efb355c90702e46b8d46f055acb4e,5b7a23c1ed04e794ef3b31e452ef5c93e1e34b4a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[be1df61cf06efb355c90702e46b8d46f055acb4e,3cd17e4e2871114d5579fa7bc8da66faf7fc1930)"}}], "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": "generic", "value": "5.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.261,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.212,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.97,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.40,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.5,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "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": "2026-08-15T12:45:06.850511+00:00", "updated": "2026-08-22T01:00:13.562130+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-125", "CWE-20"]}