{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "eb627e17727ebeede70697ae1798688b0d328b54"
            },
            {
              "fixed": "6e368485a1ac19fbde0a8b6a332d4545ae72a8ac"
            },
            {
              "fixed": "ed2cd1fee0ed16a1c2dff49175e65c641eb8ae2b"
            },
            {
              "fixed": "c3234efe21d4198945492cf7dba6859476f0f6ff"
            },
            {
              "fixed": "4de5ff924c0a8ef8166c1a68af9087826e1e8d61"
            },
            {
              "fixed": "85f966b1120874fe530edec50d28373ceb06ebcd"
            },
            {
              "fixed": "94defb18ac792fd16407d5a52ad0d3f5055c4b43"
            },
            {
              "fixed": "257b55dc3d18d7ef01f62a8ff7317871f7597e28"
            },
            {
              "fixed": "78a228f0aa0e9eba31955950c8a40a9945e2c8bb"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.4.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80867.json"
  },
  "details": "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().",
  "id": "CVE-2026-80867",
  "modified": "2026-09-06T03:30:36.155717859Z",
  "published": "2026-09-04T16:48:15.723Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/257b55dc3d18d7ef01f62a8ff7317871f7597e28"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4de5ff924c0a8ef8166c1a68af9087826e1e8d61"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6e368485a1ac19fbde0a8b6a332d4545ae72a8ac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/78a228f0aa0e9eba31955950c8a40a9945e2c8bb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/85f966b1120874fe530edec50d28373ceb06ebcd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/94defb18ac792fd16407d5a52ad0d3f5055c4b43"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3234efe21d4198945492cf7dba6859476f0f6ff"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed2cd1fee0ed16a1c2dff49175e65c641eb8ae2b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80867.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80867"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "alpha/PCI: Add security_locked_down() check to pci_mmap_resource()"
}