{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e758a3111914af7ee4351be86f1ac0efe87ed06e"
            },
            {
              "fixed": "e05c28bd6043d0fd0bea9c3fc49300a8871a1a81"
            },
            {
              "fixed": "208867763843aa82efcbe3b771f1b8e6c7aa820a"
            },
            {
              "fixed": "ff110e85837d7ecd83f36078107be240ff5ae409"
            },
            {
              "fixed": "e60466011ac3a6b8045e6cc3c2cbb30d58039d2e"
            },
            {
              "fixed": "5e17160d41d92823f3379c1982e1369680c5ce4d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.1.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.109"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.50"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89553.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnouveau/gem: reserve the bo in the info ioctl around the vma lookup\n\nIn the non-uvmm path, there could be a race between the info lookup\nfinding the vma, and the gem close path closing the vma leading\nto a use-after-free.\n\nSpotted with the help of Opus 4.6.",
  "id": "CVE-2026-89553",
  "modified": "2026-09-15T03:31:05.369820054Z",
  "published": "2026-09-11T19:44:26.836Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/208867763843aa82efcbe3b771f1b8e6c7aa820a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5e17160d41d92823f3379c1982e1369680c5ce4d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e05c28bd6043d0fd0bea9c3fc49300a8871a1a81"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e60466011ac3a6b8045e6cc3c2cbb30d58039d2e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ff110e85837d7ecd83f36078107be240ff5ae409"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89553.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89553"
    },
    {
      "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": "nouveau/gem: reserve the bo in the info ioctl around the vma lookup"
}