{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80963",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.810Z",
        "datePublished": "2026-09-11T19:42:29.172Z",
        "dateUpdated": "2026-10-19T08:45:47.190Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:45:47.190Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-stats: fix a crash if allocation of per-cpu data fails\n\nIf \"dm_kvzalloc(percpu_alloc_size, cpu_to_node(cpu))\" fails, the code\njumps to the \"out\" label and calls dm_stat_free. dm_stat_free does\n\"for_each_possible_cpu(cpu) { dm_kvfree(s->stat_percpu[cpu][0].histogram,\ns->histogram_alloc_size);\", which crashes with NULL pointer dereference\nif s->stat_percpu[cpu] is NULL.\n\nThis commit fixes the bug by testing s->stat_percpu[cpu] for NULL before\nusing it."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/dm-stats.c"
                    ],
                    "versions": [
                        {
                            "version": "fd2ed4d252701d3bbed4cd3e3d267ad469bb832a",
                            "lessThan": "e45f0b0c41139810ff395ba2f3cfca1460a5b8a6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fd2ed4d252701d3bbed4cd3e3d267ad469bb832a",
                            "lessThan": "9805d87d0e26c68ee69da3928e665214d2e2851a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fd2ed4d252701d3bbed4cd3e3d267ad469bb832a",
                            "lessThan": "564d17573ef643c13cf6e9015124a205fa65e704",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fd2ed4d252701d3bbed4cd3e3d267ad469bb832a",
                            "lessThan": "389a50d094e13724f5f45e6d9d6ef734c98ba291",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fd2ed4d252701d3bbed4cd3e3d267ad469bb832a",
                            "lessThan": "c3f211b7a277dd404b4e7d23095be964b5b46a27",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fd2ed4d252701d3bbed4cd3e3d267ad469bb832a",
                            "lessThan": "74210fa072960a18bb0eead487585452af722e4f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fd2ed4d252701d3bbed4cd3e3d267ad469bb832a",
                            "lessThan": "0c8f7870ed3ebd512f090d7714cc2c556b9e5c75",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fd2ed4d252701d3bbed4cd3e3d267ad469bb832a",
                            "lessThan": "cc87e26d9cce22061dc21e51e11afef29dbbc36a",
                            "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-stats.c"
                    ],
                    "versions": [
                        {
                            "version": "3.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.12",
                            "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": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "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": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.12",
                                    "versionEndExcluding": "5.10.270"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e45f0b0c41139810ff395ba2f3cfca1460a5b8a6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9805d87d0e26c68ee69da3928e665214d2e2851a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/564d17573ef643c13cf6e9015124a205fa65e704"
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                {
                    "url": "https://git.kernel.org/stable/c/389a50d094e13724f5f45e6d9d6ef734c98ba291"
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                    "url": "https://git.kernel.org/stable/c/c3f211b7a277dd404b4e7d23095be964b5b46a27"
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                    "url": "https://git.kernel.org/stable/c/74210fa072960a18bb0eead487585452af722e4f"
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                {
                    "url": "https://git.kernel.org/stable/c/0c8f7870ed3ebd512f090d7714cc2c556b9e5c75"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cc87e26d9cce22061dc21e51e11afef29dbbc36a"
                }
            ],
            "title": "dm-stats: fix a crash if allocation of per-cpu data fails",
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}