{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d6bdcf2e1019351cbc176e963b7756766bdd8721"
            },
            {
              "fixed": "6b2ea886ebdae44a2394029844a4e78f58e1587d"
            },
            {
              "fixed": "a37625c7b688fcf68a54263528eccbabfd7fa17a"
            },
            {
              "fixed": "9f7fe4165a1f1014bdadc8e744c0fd3c2d8c0b89"
            },
            {
              "fixed": "08626fcfe12308ca3f8b22c538ba7dee0b2dce7a"
            },
            {
              "fixed": "f19a5bc059051143c489dd6f79a0f9c3bfd13aea"
            },
            {
              "fixed": "bb3d592c7d6c4ec8ac6640c690ca13298e7e8e90"
            },
            {
              "fixed": "5de04caa46b635e180cecbd164e333eca535db94"
            },
            {
              "fixed": "26813881181deb3a32fbb59eadb2599cbe8423f6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.2.0"
            },
            {
              "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-2026-72489.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: nvec: fix use-after-free in nvec_rx_completed()\n\nIn nvec_rx_completed(), when an incomplete RX transfer is detected,\nnvec_msg_free() is called to return the message back to the pool by\nclearing its 'used' atomic flag. Immediately after this, the code\naccesses nvec-\u003erx-\u003edata[0] to check the message type.\n\nSince nvec_msg_free() marks the pool slot as available via atomic_set(),\nany concurrent or subsequent call to nvec_msg_alloc() could claim that\nsame slot and overwrite its data[] array. Reading nvec-\u003erx-\u003edata[0] after\nfreeing the message is therefore a use-after-free.\n\nFix this by saving the message type byte before calling nvec_msg_free(),\nthen using the saved value for the battery quirk check.",
  "id": "CVE-2026-72489",
  "modified": "2026-08-18T03:31:30.041900693Z",
  "published": "2026-08-15T05:57:24.948Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/08626fcfe12308ca3f8b22c538ba7dee0b2dce7a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26813881181deb3a32fbb59eadb2599cbe8423f6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5de04caa46b635e180cecbd164e333eca535db94"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6b2ea886ebdae44a2394029844a4e78f58e1587d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9f7fe4165a1f1014bdadc8e744c0fd3c2d8c0b89"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a37625c7b688fcf68a54263528eccbabfd7fa17a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bb3d592c7d6c4ec8ac6640c690ca13298e7e8e90"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f19a5bc059051143c489dd6f79a0f9c3bfd13aea"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72489.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72489"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "staging: nvec: fix use-after-free in nvec_rx_completed()"
}