{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "86900ab620a42396a749b506d4a187820fc3fabe"
            },
            {
              "fixed": "828a8d1a9107aec6353d896882df8383accf7e80"
            },
            {
              "fixed": "ed98ce338f9a65c90cb930b088f1eb36de7181af"
            },
            {
              "fixed": "5b17f3f34391372faf03e79d947e0c50ab6dd258"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.16.0"
            },
            {
              "fixed": "6.18.46"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80571.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak\n\nIn papr_phy_attest_create_handle(), the params-\u003ecmd.length is not\nvalidated before use, which can result in a buffer overlow.  Check it and\nreturn -EINVAL if it is either 0 or exceeds sizeof(params-\u003ecmd).\n\nAlso, params is freed on the success path but not error. Free it on\nerrors after memory allocation.  And free it on negative fd.",
  "id": "CVE-2026-80571",
  "modified": "2026-08-28T11:30:41.207078489Z",
  "published": "2026-08-26T14:37:32.541Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5b17f3f34391372faf03e79d947e0c50ab6dd258"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/828a8d1a9107aec6353d896882df8383accf7e80"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed98ce338f9a65c90cb930b088f1eb36de7181af"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80571.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80571"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "powerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak"
}