{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98345",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.343Z",
        "datePublished": "2026-10-06T08:46:34.719Z",
        "dateUpdated": "2026-10-19T09:17:56.221Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:17:56.221Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: check IP header size in cfg80211_classify8021d()\n\nA frame that looks like IP can be transmitted, but be too short, so\nthe DS field is read incorrectly:\n\n  BUG: KMSAN: uninit-value in cfg80211_classify8021d+0x99d/0x12b0 net/wireless/util.c:1027\n   cfg80211_classify8021d+0x99d/0x12b0 net/wireless/util.c:1027\n   ieee80211_select_queue+0x37a/0x9e0 net/mac80211/wme.c:180\n   __ieee80211_subif_start_xmit+0x60f/0x1d90 net/mac80211/tx.c:4304\n   ieee80211_subif_start_xmit+0xa8/0x6d0 net/mac80211/tx.c:4538\n   ...\n   packet_sendmsg+0x9173/0xa2a0 net/packet/af_packet.c:3108\n\nUse skb_header_pointer() like the MPLS case."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/wireless/util.c"
                    ],
                    "versions": [
                        {
                            "version": "e31a16d6f64ef0e324c6f54d5112703c3f13a9c4",
                            "lessThan": "18d5547327c202cda33ad2bbd203220c2c62c8a7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e31a16d6f64ef0e324c6f54d5112703c3f13a9c4",
                            "lessThan": "3ff17ffa8d02e0e3f6b2f6e57af4aac511f5b734",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e31a16d6f64ef0e324c6f54d5112703c3f13a9c4",
                            "lessThan": "c4fbcf1e614ef0755fcc751fdfca21b0bf4e0ef7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e31a16d6f64ef0e324c6f54d5112703c3f13a9c4",
                            "lessThan": "12c0abd4d1c1b04a7663d04ba85268bc9ad9c017",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e31a16d6f64ef0e324c6f54d5112703c3f13a9c4",
                            "lessThan": "f33ad4e2f846e55cf4637419268f093ac9f1a765",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e31a16d6f64ef0e324c6f54d5112703c3f13a9c4",
                            "lessThan": "a2cdb4a675ca04c4ac8cc962848082d8ce065008",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e31a16d6f64ef0e324c6f54d5112703c3f13a9c4",
                            "lessThan": "65893c8d28f239c7ddad5a83683be193a9133e9b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e31a16d6f64ef0e324c6f54d5112703c3f13a9c4",
                            "lessThan": "48b2c5c628b09cf36cbeca53e0432fc2a7518be7",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/wireless/util.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.31",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.31",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.54",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.8",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "2.6.31",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.18.54"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "7.2.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/18d5547327c202cda33ad2bbd203220c2c62c8a7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3ff17ffa8d02e0e3f6b2f6e57af4aac511f5b734"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c4fbcf1e614ef0755fcc751fdfca21b0bf4e0ef7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/12c0abd4d1c1b04a7663d04ba85268bc9ad9c017"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f33ad4e2f846e55cf4637419268f093ac9f1a765"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a2cdb4a675ca04c4ac8cc962848082d8ce065008"
                },
                {
                    "url": "https://git.kernel.org/stable/c/65893c8d28f239c7ddad5a83683be193a9133e9b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/48b2c5c628b09cf36cbeca53e0432fc2a7518be7"
                }
            ],
            "title": "wifi: cfg80211: check IP header size in cfg80211_classify8021d()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}