{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-68197",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-30T09:28:09.374Z",
        "datePublished": "2026-08-10T12:00:15.750Z",
        "dateUpdated": "2026-08-19T16:31:16.085Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-19T16:31:16.085Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: fix NULL dereference when the AP has HT-cap but no HT-oper\n\nmwifiex_tdls_add_ht_oper() gates its follow-the-AP-bandwidth path on\nbss_desc->bcn_ht_cap being present, but then dereferences a different\npointer, bss_desc->bcn_ht_oper:\n\n\tif (ISSUPP_CHANWIDTH40(priv->adapter->hw_dot_11n_dev_cap) &&\n\t    bss_desc->bcn_ht_cap &&\n\t    ISALLOWED_CHANWIDTH40(bss_desc->bcn_ht_oper->ht_param))\n\nbcn_ht_cap and bcn_ht_oper are populated independently while parsing the\nassociated AP's beacon in mwifiex_update_bss_desc_with_ie(): an AP that\nadvertises an HT Capabilities element but no HT Operation element leaves\nbcn_ht_cap non-NULL and bcn_ht_oper NULL. Setting up a TDLS link to a\npeer while associated to such an AP then dereferences the NULL\nbcn_ht_oper and crashes the kernel. Every other bcn_ht_oper user in the\ndriver NULL-checks it first.\n\nGuard on the pointer that is actually dereferenced.\n\nFound by 0sec automated security-research tooling (https://0sec.ai)."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/marvell/mwifiex/tdls.c"
                    ],
                    "versions": [
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                            "version": "396939f94084d5923d558e9f22db48bc51156e47",
                            "lessThan": "e1770f7410b4232a0267924f99751dc9c5ca31af",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "396939f94084d5923d558e9f22db48bc51156e47",
                            "lessThan": "8c2058717fd06f05d421c2d3adf1dff3c3abcda1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "396939f94084d5923d558e9f22db48bc51156e47",
                            "lessThan": "fba7eb7b248ea0618235f504158b685d752a153a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "eb42c3c8fd479166c42984728754cd779c71fd60",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "45011e4d9ba3f2182e5df64be65888044fa20771",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "lessThan": "9375a4ea4121625ef27a46b74781cda66a5cc61b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "396939f94084d5923d558e9f22db48bc51156e47",
                            "lessThan": "cca4398aa305c22016d1714f388e2fa6ea4e5ad4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "396939f94084d5923d558e9f22db48bc51156e47",
                            "lessThan": "c3d68e294cbb6a4090bb219d3dcaca85a011809b",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/marvell/mwifiex/tdls.c"
                    ],
                    "versions": [
                        {
                            "version": "3.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "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": "3.16",
                                    "versionEndExcluding": "5.10.265"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e1770f7410b4232a0267924f99751dc9c5ca31af"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8c2058717fd06f05d421c2d3adf1dff3c3abcda1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fba7eb7b248ea0618235f504158b685d752a153a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eb42c3c8fd479166c42984728754cd779c71fd60"
                },
                {
                    "url": "https://git.kernel.org/stable/c/45011e4d9ba3f2182e5df64be65888044fa20771"
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                {
                    "url": "https://git.kernel.org/stable/c/9375a4ea4121625ef27a46b74781cda66a5cc61b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cca4398aa305c22016d1714f388e2fa6ea4e5ad4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c3d68e294cbb6a4090bb219d3dcaca85a011809b"
                }
            ],
            "title": "wifi: mwifiex: fix NULL dereference when the AP has HT-cap but no HT-oper",
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