{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80867",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.798Z",
        "datePublished": "2026-09-04T16:48:15.723Z",
        "dateUpdated": "2026-09-04T16:48:15.723Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-09-04T16:48:15.723Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nalpha/PCI: Add security_locked_down() check to pci_mmap_resource()\n\nCurrently, Alpha's pci_mmap_resource() does not check\nsecurity_locked_down(LOCKDOWN_PCI_ACCESS) before allowing userspace to mmap\nPCI BARs.\n\nThe generic version has had this check since commit eb627e17727e (\"PCI:\nLock down BAR access when the kernel is locked down\") to prevent DMA\nattacks when the kernel is locked down.\n\nAdd the same check to Alpha's pci_mmap_resource()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/alpha/kernel/pci-sysfs.c"
                    ],
                    "versions": [
                        {
                            "version": "eb627e17727ebeede70697ae1798688b0d328b54",
                            "lessThan": "6e368485a1ac19fbde0a8b6a332d4545ae72a8ac",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb627e17727ebeede70697ae1798688b0d328b54",
                            "lessThan": "ed2cd1fee0ed16a1c2dff49175e65c641eb8ae2b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb627e17727ebeede70697ae1798688b0d328b54",
                            "lessThan": "c3234efe21d4198945492cf7dba6859476f0f6ff",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb627e17727ebeede70697ae1798688b0d328b54",
                            "lessThan": "4de5ff924c0a8ef8166c1a68af9087826e1e8d61",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb627e17727ebeede70697ae1798688b0d328b54",
                            "lessThan": "85f966b1120874fe530edec50d28373ceb06ebcd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb627e17727ebeede70697ae1798688b0d328b54",
                            "lessThan": "94defb18ac792fd16407d5a52ad0d3f5055c4b43",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb627e17727ebeede70697ae1798688b0d328b54",
                            "lessThan": "257b55dc3d18d7ef01f62a8ff7317871f7597e28",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb627e17727ebeede70697ae1798688b0d328b54",
                            "lessThan": "78a228f0aa0e9eba31955950c8a40a9945e2c8bb",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/alpha/kernel/pci-sysfs.c"
                    ],
                    "versions": [
                        {
                            "version": "5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.4",
                            "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": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.1.178"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.6.145"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.12.97"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.18.40"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6e368485a1ac19fbde0a8b6a332d4545ae72a8ac"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ed2cd1fee0ed16a1c2dff49175e65c641eb8ae2b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c3234efe21d4198945492cf7dba6859476f0f6ff"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4de5ff924c0a8ef8166c1a68af9087826e1e8d61"
                },
                {
                    "url": "https://git.kernel.org/stable/c/85f966b1120874fe530edec50d28373ceb06ebcd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/94defb18ac792fd16407d5a52ad0d3f5055c4b43"
                },
                {
                    "url": "https://git.kernel.org/stable/c/257b55dc3d18d7ef01f62a8ff7317871f7597e28"
                },
                {
                    "url": "https://git.kernel.org/stable/c/78a228f0aa0e9eba31955950c8a40a9945e2c8bb"
                }
            ],
            "title": "alpha/PCI: Add security_locked_down() check to pci_mmap_resource()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}