{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4d5ae32f5e1e13f7f36d6439ec3257993b9f5b88"
            },
            {
              "fixed": "58140f1cebb776d174dc6ff41c15401654a5b1ea"
            },
            {
              "fixed": "cceb6cd7f0e5ed2944a9ca22443d7b9da82f60ab"
            },
            {
              "fixed": "5754e0c0758805096ecfeaf4c1b146ad51ed246f"
            },
            {
              "fixed": "b856c552f556bc0341c1dbe0bf88e630fd1dc4b7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.16.0"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97981.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: cortina: Count dropped frames as NAPI work\n\nThe RX loop only consumes budget when it successfully delivers a frame.\nError paths keep consuming descriptors without reducing the budget, so a\nstream of bad frames can process the entire receive ring in one poll.\n\nMove the budget accounting to a common end-of-frame path. This counts\neach completed frame as NAPI work whether it was delivered or dropped,\nmatching the behavior of the vendor driver.",
  "id": "CVE-2026-97981",
  "modified": "2026-09-27T03:30:52.711658648Z",
  "published": "2026-09-25T10:23:17.703Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5754e0c0758805096ecfeaf4c1b146ad51ed246f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58140f1cebb776d174dc6ff41c15401654a5b1ea"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b856c552f556bc0341c1dbe0bf88e630fd1dc4b7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cceb6cd7f0e5ed2944a9ca22443d7b9da82f60ab"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97981.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-97981"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "net: ethernet: cortina: Count dropped frames as NAPI work"
}