{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "7d04b0b13b1175ce0c4bdc77f1278c1f120f874f"
            },
            {
              "fixed": "5cefdb7acfc646fbded59ae77dfe0aac4c9e4a3c"
            },
            {
              "fixed": "4ac1d5adc4f4dbafbfd270b55cc6d8bf9849d545"
            },
            {
              "fixed": "dfd46b5584a5881b131008767950e1ab82713c8c"
            },
            {
              "fixed": "6569fd85b0ef9a8a6f20b7eb868420b8c7c0c2a0"
            },
            {
              "fixed": "e7f30dcfa6c64033bf9137362517bd248e5be384"
            },
            {
              "fixed": "f0e7d62c1eb984dd204095118973c59604144cd8"
            },
            {
              "fixed": "1734c3fc0066e228ce1c11e434b7c2527f0a949a"
            },
            {
              "fixed": "14cb1e7702e5cb3c58888f6aed498381a73927d2"
            }
          ],
          "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": "5.10.271"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.222"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.189"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.158"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.112"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.54"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98272.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mvpp2: prevent buffer overflow in page_pool allocation\n\nThe per‑processor buffering scheme is supported only if the\nnumber of pools (nrxqs * 2) does not exceed MVPP2_BM_MAX_POOLS (8).\nThis is already checked in mvpp2_probe() during the initial\nactivation of percpu_pools.\n\nHowever, mvpp2_change_mtu() may later call\nmvpp2_bm_switch_buffers(priv, true) without this check, which can\nlead to an out-of-bounds access in the priv-\u003epage_pool array in\nmvpp2_bm_init(). The array is sized to hold MVPP2_PORT_MAX_RXQ\nentries, and mvpp2_get_nrxqs() may return exactly that value. The\nper-CPU scheme then doubles it to nrxqs * 2, exceeding the array\nbounds.\n\nCheck that the hardware version is MVPP22 or newer and that the\nnumber of pools (nrxqs * 2) does not exceed MVPP2_BM_MAX_POOLS\nbefore switching to per-CPU mode.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
  "id": "CVE-2026-98272",
  "modified": "2026-10-08T02:30:48.759741801Z",
  "published": "2026-10-06T08:45:33.974Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/14cb1e7702e5cb3c58888f6aed498381a73927d2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1734c3fc0066e228ce1c11e434b7c2527f0a949a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4ac1d5adc4f4dbafbfd270b55cc6d8bf9849d545"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5cefdb7acfc646fbded59ae77dfe0aac4c9e4a3c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6569fd85b0ef9a8a6f20b7eb868420b8c7c0c2a0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dfd46b5584a5881b131008767950e1ab82713c8c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e7f30dcfa6c64033bf9137362517bd248e5be384"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f0e7d62c1eb984dd204095118973c59604144cd8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98272.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98272"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "net: mvpp2: prevent buffer overflow in page_pool allocation"
}