{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "8eeed8373e1cca836799bf8e4a05cffa8e444908"
            },
            {
              "fixed": "881a805a8029ba48c0ce81c6674910f8d83f7afb"
            },
            {
              "fixed": "39fc615e355b65b8d43be30da57aa95ae6eaf688"
            },
            {
              "fixed": "f3868046e8e2e761d4d943a232bd109ff22a7d5b"
            },
            {
              "fixed": "ea081b4435515ac7177eb598a3c0678d1b9e7911"
            },
            {
              "fixed": "d92255b405fb6f5acca408239ccd742e0a42c9cb"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.9.0"
            },
            {
              "fixed": "6.12.106"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.47"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.11"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "7.2.0"
            },
            {
              "fixed": "7.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80779.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/ionic: avoid OOB TX partner lookup for hwstamp RXQ\n\nThe dedicated hardware timestamp RX queue is allocated with q-\u003eindex\nequal to lif-\u003eionic-\u003enrxqs_per_lif. The normal txqcqs array only\ncontains the regular queue pairs, so using that index to set rxq-\u003epartner\ncan read one entry past txqcqs[] and then write through the derived\npointer.\nOnly link RX/TX partners for normal queue-pair indexes. Leave the hwstamp\nRX queue unpaired, and make the XDP_TX path abort cleanly if an RX queue\nhas no TX partner.",
  "id": "CVE-2026-80779",
  "modified": "2026-09-06T03:30:53.170516251Z",
  "published": "2026-09-04T15:12:51.103Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/39fc615e355b65b8d43be30da57aa95ae6eaf688"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/881a805a8029ba48c0ce81c6674910f8d83f7afb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d92255b405fb6f5acca408239ccd742e0a42c9cb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ea081b4435515ac7177eb598a3c0678d1b9e7911"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f3868046e8e2e761d4d943a232bd109ff22a7d5b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80779.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80779"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "net/ionic: avoid OOB TX partner lookup for hwstamp RXQ"
}