{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72107",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.906Z",
        "datePublished": "2026-08-15T05:52:49.581Z",
        "dateUpdated": "2026-08-15T05:52:49.581Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-15T05:52:49.581Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm era: fix out-of-bounds memory access for non-zero start sector\n\ndm-era tracks writes in target-relative blocks, but era_map() calculates\nthe writeset block before applying the target offset.  Tables with a\nnon-zero start sector can therefore pass an absolute mapped-device block\nto metadata_current_marked().\n\nIf the absolute block is beyond the current writeset size,\nwriteset_marked() tests past the end of the in-core bitset.  KASAN reports\nthis as a vmalloc-out-of-bounds access.\n\nApply the target offset before calculating the era block so writeset\nlookups use the target-relative block number."
                }
            ],
            "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"
                    ],
                    "versions": [
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "fe94a0b14010a3c267ff9a2508afb4f27ff1c5bf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "e3ffa8e492e5cdee62d916ee3e9244ccce2b73c5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "9946a7176bd8c25ddd6e5f1799c54e572ee6bf0f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "7e1822f83c5a1ee7b4a19e98edde8770a10b4c71",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "db5f9b4601f0012038e5a2628aedec2f47933380",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "1fcb5e29dd7a5b85adb9d8b539911741d878e829",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "bafe3e720cdac38cd7ea4eb7852a8f2dbe1bbfe6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eec40579d84873dfb7021eb24c50360f073237c5",
                            "lessThan": "a868196f03c2b19418ae3d2b69e195d668a271e5",
                            "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-rc3",
                            "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": "3.15",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "6.1.178"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "6.6.145"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "6.12.97"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "7.2-rc3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/fe94a0b14010a3c267ff9a2508afb4f27ff1c5bf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e3ffa8e492e5cdee62d916ee3e9244ccce2b73c5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9946a7176bd8c25ddd6e5f1799c54e572ee6bf0f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7e1822f83c5a1ee7b4a19e98edde8770a10b4c71"
                },
                {
                    "url": "https://git.kernel.org/stable/c/db5f9b4601f0012038e5a2628aedec2f47933380"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1fcb5e29dd7a5b85adb9d8b539911741d878e829"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bafe3e720cdac38cd7ea4eb7852a8f2dbe1bbfe6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a868196f03c2b19418ae3d2b69e195d668a271e5"
                }
            ],
            "title": "dm era: fix out-of-bounds memory access for non-zero start sector",
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                "engine": "bippy-1.2.0"
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}