{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "63ddf68de52efaac40a9287e44266ac30e71dd36"
            },
            {
              "fixed": "97b5e8b22b98e287481a97a9a4cfebbb348738a5"
            },
            {
              "fixed": "503be26ff888cb3576e55d251895d290e8146f27"
            },
            {
              "fixed": "be0f7745f883386e5263b4e475686a81dfa87175"
            },
            {
              "fixed": "67374e3a00814dcdd46e9feca61f69f7f2d81957"
            },
            {
              "fixed": "239d1683e08b2aee2a15ef35706e1ea9a76681d8"
            },
            {
              "fixed": "7690a86b193271322cd31ab77349a87aa10858e4"
            },
            {
              "fixed": "1618257cb0aba4ce342ae8c0228368c24161f5fb"
            },
            {
              "fixed": "fc530fe168bb2b745a93f553ad21fc25fd9cba3d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.18.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.51"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90032.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: usbtv: keep device alive while ALSA card exists\n\nThe ALSA PCM callbacks store the driver state in pcm-\u003eprivate_data. An\nopen PCM file can outlive USB disconnect because usbtv_audio_free() uses\nsnd_card_free_when_closed(). The disconnect path can then drop the V4L2\ndevice reference and free struct usbtv before ALSA releases the substream,\nso a later close dereferences freed memory in snd_usbtv_pcm_close().\n\nTake a V4L2 device reference for the ALSA card and drop it from the card\nprivate_free callback. This keeps struct usbtv valid until ALSA has closed\nthe remaining files and freed the card.",
  "id": "CVE-2026-90032",
  "modified": "2026-09-18T03:30:26.333739769Z",
  "published": "2026-09-16T10:33:33.197Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1618257cb0aba4ce342ae8c0228368c24161f5fb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/239d1683e08b2aee2a15ef35706e1ea9a76681d8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/503be26ff888cb3576e55d251895d290e8146f27"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/67374e3a00814dcdd46e9feca61f69f7f2d81957"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7690a86b193271322cd31ab77349a87aa10858e4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/97b5e8b22b98e287481a97a9a4cfebbb348738a5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/be0f7745f883386e5263b4e475686a81dfa87175"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc530fe168bb2b745a93f553ad21fc25fd9cba3d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90032.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90032"
    },
    {
      "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:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "media: usbtv: keep device alive while ALSA card exists"
}