{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80805",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.794Z",
        "datePublished": "2026-09-04T15:13:19.239Z",
        "dateUpdated": "2026-10-19T08:43:58.417Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:43:58.417Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: validate attr entry pointer before field access\n\nxfs_attr3_leaf_verify_entry() accesses lentry/rentry fields (namelen,\nvaluelen) before checking if the entry pointer itself is within bounds.\nIf nameidx is crafted to point near the end of the buffer, these field\naccesses can read out-of-bounds before the bounds check at\nname_end > buf_end is performed.\n\nAdd explicit bounds checks for entry pointers before accessing their\nfields. Use offsetof() to check that the start of the flexible array\nmember (nameval/name) is within bounds, which ensures all preceding\nfields are safe to access."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/xfs/libxfs/xfs_attr_leaf.c"
                    ],
                    "versions": [
                        {
                            "version": "c84760659dcf237902d4cc997cd5f55cb3b2807f",
                            "lessThan": "0f82586741e39926542f621bafa424e237a04fa4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c84760659dcf237902d4cc997cd5f55cb3b2807f",
                            "lessThan": "134d82a2b5e3eba3ebf58753a1387b22f26ca1de",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c84760659dcf237902d4cc997cd5f55cb3b2807f",
                            "lessThan": "03a12253dd2a036545bdb0110a4e0b8dc70f8e7c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c84760659dcf237902d4cc997cd5f55cb3b2807f",
                            "lessThan": "e99120b5944a16d0bc27e52b33de78bcdaaabf5c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c84760659dcf237902d4cc997cd5f55cb3b2807f",
                            "lessThan": "98a42bb9d60d42898c3494de351a1bf508348cde",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c84760659dcf237902d4cc997cd5f55cb3b2807f",
                            "lessThan": "184c1a80421a5b5ddcd262e47980ce2e67fee211",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c84760659dcf237902d4cc997cd5f55cb3b2807f",
                            "lessThan": "9f92e749fc08b7ff3d9da190c4d1b2273745b282",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c84760659dcf237902d4cc997cd5f55cb3b2807f",
                            "lessThan": "c35da2bac6f7cb9a9be73f188b4fcc324615c327",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c84760659dcf237902d4cc997cd5f55cb3b2807f",
                            "lessThan": "b7eea80be25f3334f131d52982b3131aba77b97d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/xfs/libxfs/xfs_attr_leaf.c"
                    ],
                    "versions": [
                        {
                            "version": "5.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.267",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.218",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.185",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.154",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.106",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.47",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.11",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.1",
                            "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": "5.5",
                                    "versionEndExcluding": "5.10.267"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "5.15.218"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "6.1.185"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "6.6.154"
                                },
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                                    "versionStartIncluding": "5.5",
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                                },
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                                    "versionStartIncluding": "5.5",
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                                },
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "7.1.11"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "7.2.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.5",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0f82586741e39926542f621bafa424e237a04fa4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/134d82a2b5e3eba3ebf58753a1387b22f26ca1de"
                },
                {
                    "url": "https://git.kernel.org/stable/c/03a12253dd2a036545bdb0110a4e0b8dc70f8e7c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e99120b5944a16d0bc27e52b33de78bcdaaabf5c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/98a42bb9d60d42898c3494de351a1bf508348cde"
                },
                {
                    "url": "https://git.kernel.org/stable/c/184c1a80421a5b5ddcd262e47980ce2e67fee211"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9f92e749fc08b7ff3d9da190c4d1b2273745b282"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c35da2bac6f7cb9a9be73f188b4fcc324615c327"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b7eea80be25f3334f131d52982b3131aba77b97d"
                }
            ],
            "title": "xfs: validate attr entry pointer before field access",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}