{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c9c12d339d93366732112d7ff472958834bfc3c5"
            },
            {
              "fixed": "c642a530aaaeb9a3e356cedfe77955e7f983380e"
            },
            {
              "fixed": "e68ada66afcae0bc2a7c06b43c5a9a081d29e7b4"
            },
            {
              "fixed": "d6c0b0c802d3c49b86cad665a7f3790dc55a0394"
            },
            {
              "fixed": "19d2d36e193c3fb515c052a56bfc83d8ac7b6764"
            },
            {
              "fixed": "e8e9dff204e8d8553495893e1a44d2b5021648de"
            },
            {
              "fixed": "3d45d40b872aec0073d4cf08956a6c9b87c5e396"
            },
            {
              "fixed": "452ec5058ea4ed63adae8d6beeac9ee687fe8061"
            },
            {
              "fixed": "a056db30de92945ff8ee6033096678bfbae878e3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.10.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72448.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: Fix leak of SQ timestamp buffer on teardown\n\nThe send-queue timestamp ring is allocated with qmem_alloc() when\ntimestamping is used, but otx2_free_sq_res() never freed sq-\u003etimestamps,\nleaking that memory across ifdown and device removal.  Add the missing\nqmem_free() alongside the other SQ companion buffers.",
  "id": "CVE-2026-72448",
  "modified": "2026-08-18T03:31:17.044947960Z",
  "published": "2026-08-15T05:56:57.701Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/19d2d36e193c3fb515c052a56bfc83d8ac7b6764"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d45d40b872aec0073d4cf08956a6c9b87c5e396"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/452ec5058ea4ed63adae8d6beeac9ee687fe8061"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a056db30de92945ff8ee6033096678bfbae878e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c642a530aaaeb9a3e356cedfe77955e7f983380e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d6c0b0c802d3c49b86cad665a7f3790dc55a0394"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e68ada66afcae0bc2a7c06b43c5a9a081d29e7b4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e8e9dff204e8d8553495893e1a44d2b5021648de"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72448.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72448"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "octeontx2-pf: Fix leak of SQ timestamp buffer on teardown"
}