{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23076",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.958Z",
        "datePublished": "2026-02-04T16:08:01.204Z",
        "dateUpdated": "2026-06-11T18:44:23.638Z"
    },
    "containers": {
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:59:32.239Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ctxfi: Fix potential OOB access in audio mixer handling\n\nIn the audio mixer handling code of ctxfi driver, the conf field is\nused as a kind of loop index, and it's referred in the index callbacks\n(amixer_index() and sum_index()).\n\nAs spotted recently by fuzzers, the current code causes OOB access at\nthose functions.\n| UBSAN: array-index-out-of-bounds in /build/reproducible-path/linux-6.17.8/sound/pci/ctxfi/ctamixer.c:347:48\n| index 8 is out of range for type 'unsigned char [8]'\n\nAfter the analysis, the cause was found to be the lack of the proper\n(re-)initialization of conj field.\n\nThis patch addresses those OOB accesses by adding the proper\ninitializations of the loop indices."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/pci/ctxfi/ctamixer.c"
                    ],
                    "versions": [
                        {
                            "version": "8cc72361481f00253f1e468ade5795427386d593",
                            "lessThan": "6524205326e0c1a21263b5c14e48e14ef7e449ae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cc72361481f00253f1e468ade5795427386d593",
                            "lessThan": "afca7ff5d5d4d63a1acb95461f55ca9a729feedf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cc72361481f00253f1e468ade5795427386d593",
                            "lessThan": "8c1d09806e1441bc6a54b9a4f2818918046d5174",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cc72361481f00253f1e468ade5795427386d593",
                            "lessThan": "a8c42d11b0526a89192bd2f79facb4c60c8a1f38",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cc72361481f00253f1e468ade5795427386d593",
                            "lessThan": "d77ba72558cd66704f0fb7e0969f697e87c0f71c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cc72361481f00253f1e468ade5795427386d593",
                            "lessThan": "873e2360d247eeee642878fcc3398babff7e387c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8cc72361481f00253f1e468ade5795427386d593",
                            "lessThan": "61006c540cbdedea83b05577dc7fb7fa18fe1276",
                            "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/pci/ctxfi/ctamixer.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.31",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.31",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.249",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.199",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.162",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.122",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.68",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.8",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "6.18.8"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6524205326e0c1a21263b5c14e48e14ef7e449ae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/afca7ff5d5d4d63a1acb95461f55ca9a729feedf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8c1d09806e1441bc6a54b9a4f2818918046d5174"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a8c42d11b0526a89192bd2f79facb4c60c8a1f38"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d77ba72558cd66704f0fb7e0969f697e87c0f71c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/873e2360d247eeee642878fcc3398babff7e387c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/61006c540cbdedea83b05577dc7fb7fa18fe1276"
                }
            ],
            "title": "ALSA: ctxfi: Fix potential OOB access in audio mixer handling",
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