{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "529766e0a0114438887382a68d97341fbf8349fb"
            },
            {
              "fixed": "9142a3dcff0d80a3a24ce159aee19ddc869d9784"
            },
            {
              "fixed": "2f7789b3a9628819ebf90bcba8f9da3c139f8687"
            },
            {
              "fixed": "4786d4d70dcd1e6b7e044f2348e00f201947b69c"
            },
            {
              "fixed": "b7c2c5c8868737926410b93d1223ada17625ead3"
            },
            {
              "fixed": "cf107c5983dc70fcf932a305581a5f976d908ff1"
            },
            {
              "fixed": "1883a09a37fed497b9efacf736c23624a472246b"
            },
            {
              "fixed": "8bf719659406e4a1b56d441e0c7da2085d891d96"
            },
            {
              "fixed": "82048795242f04275a3f49ffc66ad851b6120954"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.2.0"
            },
            {
              "fixed": "5.10.265"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.216"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.183"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.151"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.103"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.44"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80680.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: amd-mp2: Unregister callback on adapter add failure\n\namd_mp2_register_cb() stores the platform I2C context in the MP2 PCI\ndriver's callback table before the adapter is registered. If\ni2c_add_adapter() fails, probe returns and devres frees the context,\nbut the PCI driver can still dereference the stale pointer from its IRQ\nand system-sleep callbacks.\n\nUnregister the callback before returning the adapter registration error.",
  "id": "CVE-2026-80680",
  "modified": "2026-08-31T03:30:32.483910464Z",
  "published": "2026-08-28T06:52:48.300Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1883a09a37fed497b9efacf736c23624a472246b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f7789b3a9628819ebf90bcba8f9da3c139f8687"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4786d4d70dcd1e6b7e044f2348e00f201947b69c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/82048795242f04275a3f49ffc66ad851b6120954"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8bf719659406e4a1b56d441e0c7da2085d891d96"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9142a3dcff0d80a3a24ce159aee19ddc869d9784"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b7c2c5c8868737926410b93d1223ada17625ead3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cf107c5983dc70fcf932a305581a5f976d908ff1"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80680.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80680"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "i2c: amd-mp2: Unregister callback on adapter add failure"
}