CVE-2026-89591 (GCVE-0-2026-89591)
Vulnerability from cvelistv5
Published
2026-09-11 19:44
Modified
2026-10-19 08:49
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: accel/rocket: initialize job domain before cleanup paths rocket_ioctl_submit_job() releases rjob through rocket_job_put() on allocation error paths. rocket_job_cleanup() unconditionally calls rocket_iommu_domain_put(job->domain), but job->domain is assigned only after task copying and BO lookups. A failure before that assignment can therefore clean up a job with a NULL domain pointer. Take the per-file domain reference before the first error path can release rjob. Also clear rjob->tasks after freeing it in rocket_copy_tasks(), so the common cleanup path cannot free the task array again after a task-copy error.
References
Impacted products
Vendor Product Version
Linux Linux Version: 0810d5ad88a18f1e6d549853a388ad0316f74e36
Version: 0810d5ad88a18f1e6d549853a388ad0316f74e36
Version: 0810d5ad88a18f1e6d549853a388ad0316f74e36
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/accel/rocket/rocket_job.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "3043230296653a609ab50006899e64bbb2d99465",
              "status": "affected",
              "version": "0810d5ad88a18f1e6d549853a388ad0316f74e36",
              "versionType": "git"
            },
            {
              "lessThan": "81731f1eda5e6a1dfad31445f741de9bbefbb08e",
              "status": "affected",
              "version": "0810d5ad88a18f1e6d549853a388ad0316f74e36",
              "versionType": "git"
            },
            {
              "lessThan": "70e6a33d68a9b03335c5426332666e52d07f45d6",
              "status": "affected",
              "version": "0810d5ad88a18f1e6d549853a388ad0316f74e36",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/accel/rocket/rocket_job.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.50",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.50",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.4",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/rocket: initialize job domain before cleanup paths\n\nrocket_ioctl_submit_job() releases rjob through rocket_job_put() on\nallocation error paths. rocket_job_cleanup() unconditionally calls\nrocket_iommu_domain_put(job-\u003edomain), but job-\u003edomain is assigned only\nafter task copying and BO lookups. A failure before that assignment can\ntherefore clean up a job with a NULL domain pointer.\n\nTake the per-file domain reference before the first error path can release\nrjob. Also clear rjob-\u003etasks after freeing it in rocket_copy_tasks(), so\nthe common cleanup path cannot free the task array again after a task-copy\nerror."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T08:49:23.816Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3043230296653a609ab50006899e64bbb2d99465"
        },
        {
          "url": "https://git.kernel.org/stable/c/81731f1eda5e6a1dfad31445f741de9bbefbb08e"
        },
        {
          "url": "https://git.kernel.org/stable/c/70e6a33d68a9b03335c5426332666e52d07f45d6"
        }
      ],
      "title": "accel/rocket: initialize job domain before cleanup paths",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-89591",
    "datePublished": "2026-09-11T19:44:55.080Z",
    "dateReserved": "2026-09-11T19:38:34.730Z",
    "dateUpdated": "2026-10-19T08:49:23.816Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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