{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72316",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.919Z",
        "datePublished": "2026-08-15T05:55:30.399Z",
        "dateUpdated": "2026-08-17T05:12:21.813Z"
    },
    "containers": {
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T05:12:21.813Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm era: fix NULL pointer dereference in metadata_open()\n\nmetadata_open() returns NULL when kzalloc_obj() fails, but the\ncaller era_ctr() only checks IS_ERR(md).  Since IS_ERR(NULL)\nreturns false, the NULL pointer is treated as a valid result\nand later assigned to era->md, leading to a NULL pointer\ndereference when the metadata is accessed.\n\nFix this by returning ERR_PTR(-ENOMEM) on allocation failure,\nconsistent with dm-cache-metadata.c, dm-thin-metadata.c, and\ndm-clone-metadata.c which all use ERR_PTR(-ENOMEM) for the\nsame pattern."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/dm-era-target.c"
                    ],
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                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "a705e056c2f3dd067fb2ff414f0537530baa090b",
                            "status": "affected",
                            "versionType": "git"
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                            "status": "affected",
                            "versionType": "git"
                        },
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                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "889374b8e4a60d13fe4a5a8ae3a311ca93d1a2c3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "01c49eae7c6256f2d8cc08210a2bac3ee070e43a",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "lessThan": "14e03ecd3b1b5fc03c082b27a2f8889f8290c30e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "b69ea153d30ce19ca8997eeeca1e2219fae5a29b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "9ae672606c17891d90b282e3490b817620549599",
                            "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/md/dm-era-target.c"
                    ],
                    "versions": [
                        {
                            "version": "3.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "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": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.10.261"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a705e056c2f3dd067fb2ff414f0537530baa090b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bd5a80128bdfc93b1cae935a70da000b8c483e6e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/17eb2ab13edd0b06ce6f996c5fd450d7efabb2e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/889374b8e4a60d13fe4a5a8ae3a311ca93d1a2c3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/01c49eae7c6256f2d8cc08210a2bac3ee070e43a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/14e03ecd3b1b5fc03c082b27a2f8889f8290c30e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b69ea153d30ce19ca8997eeeca1e2219fae5a29b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9ae672606c17891d90b282e3490b817620549599"
                }
            ],
            "title": "dm era: fix NULL pointer dereference in metadata_open()",
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}