{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-90434",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.815Z",
        "datePublished": "2026-09-17T16:09:53.716Z",
        "dateUpdated": "2026-10-19T09:03:39.223Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:03:39.223Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nisofs: release zisofs block pointer buffer head\n\nzisofs_fill_pages() reads the compressed block pointer table.  The error\npaths release the current buffer_head, the loop also releases the old\nbuffer_head when it advances. However, the success path leaves the last\nbuffer_head referenced. Release it before returning success."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/isofs/compress.c"
                    ],
                    "versions": [
                        {
                            "version": "59bc055211b8d266ab6089158058bf8268e02006",
                            "lessThan": "dbcc7d1b818162aeab2e97fd217d86546d9fde15",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59bc055211b8d266ab6089158058bf8268e02006",
                            "lessThan": "ec33e6b7a1de20d7e623b12633191a855445657d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59bc055211b8d266ab6089158058bf8268e02006",
                            "lessThan": "0c2c54a7d174edc845f7bae24179fe72a926d10f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59bc055211b8d266ab6089158058bf8268e02006",
                            "lessThan": "5677737c2cedf417c0fcf61540b9cef0e62273d4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59bc055211b8d266ab6089158058bf8268e02006",
                            "lessThan": "f2a1611065c700a374b31c5cc8a7587f5e3bfe73",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59bc055211b8d266ab6089158058bf8268e02006",
                            "lessThan": "106e1a3b2b3454fbda63a59e9290cb9a253f81aa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59bc055211b8d266ab6089158058bf8268e02006",
                            "lessThan": "3371d30a97a257b7b5f2c8009612e9d452180f0a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59bc055211b8d266ab6089158058bf8268e02006",
                            "lessThan": "2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e",
                            "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/isofs/compress.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.33",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.33",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "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": "2.6.33",
                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "5.15.221"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.1.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.12.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "6.18.52"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "7.2.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.33",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/dbcc7d1b818162aeab2e97fd217d86546d9fde15"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ec33e6b7a1de20d7e623b12633191a855445657d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0c2c54a7d174edc845f7bae24179fe72a926d10f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5677737c2cedf417c0fcf61540b9cef0e62273d4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f2a1611065c700a374b31c5cc8a7587f5e3bfe73"
                },
                {
                    "url": "https://git.kernel.org/stable/c/106e1a3b2b3454fbda63a59e9290cb9a253f81aa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3371d30a97a257b7b5f2c8009612e9d452180f0a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e"
                }
            ],
            "title": "isofs: release zisofs block pointer buffer head",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}