{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "4.9.199"
              },
              {
                "fixed": "4.9.201"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "4.14.152"
              },
              {
                "fixed": "4.14.154"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "4.19.82"
              },
              {
                "fixed": "4.19.84"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "5.2"
              },
              {
                "fixed": "5.3.11"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "14.04"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "16.04"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "18.04"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "19.10"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "In the Linux kernel before 5.3.11, sound/core/timer.c has a use-after-free caused by erroneous code refactoring, aka CID-e7af6307a8a5. This is related to snd_timer_open and snd_timer_close_locked. The timeri variable was originally intended to be for a newly created timer instance, but was used for a different purpose after refactoring.",
  "id": "CVE-2019-19807",
  "modified": "2026-03-15T21:50:52.156502407Z",
  "published": "2019-12-15T23:15:11.023Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://usn.ubuntu.com/4225-1/"
    },
    {
      "type": "ADVISORY",
      "url": "https://usn.ubuntu.com/4227-1/"
    },
    {
      "type": "ADVISORY",
      "url": "https://usn.ubuntu.com/4227-2/"
    },
    {
      "type": "ADVISORY",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.netapp.com/advisory/ntap-20200103-0001/"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e7af6307a8a54f0b873960b32b6a644f2d0fbd97"
    },
    {
      "type": "FIX",
      "url": "https://github.com/torvalds/linux/commit/e7af6307a8a54f0b873960b32b6a644f2d0fbd97"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}