Vulnerability-Lookup

GHSA-8M8F-887V-XXCC

Vulnerability from github – Published: 2026-09-11 21:31 – Updated: 2026-09-11 21:31

Details

In the Linux kernel, the following vulnerability has been resolved:

accel/rocket: Fix error path handling in rocket_job_run()

In rocket_job_run(), after taking an extra fence reference for job->done_fence via dma_fence_get(), the error paths have three bugs:

The dma_fence reference held by job->done_fence is never released, causing a reference leak.
pm_runtime_get_sync() increments the usage counter even on failure, but the error path does not decrement it, leaking the runtime PM reference and preventing the NPU from suspending.
A valid but unsignaled fence is returned to the DRM scheduler, which triggers WARN("Fence ... released with pending signals!") when the scheduler drops its reference.

Fix by replacing pm_runtime_get_sync() with pm_runtime_resume_and_get() which auto-balances the usage counter on failure, releasing both fence references on error, and returning ERR_PTR(ret) instead of the unsignaled fence.

[tomeu: Refactored error paths to use consolidated goto labels]

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{
  "affected": [],
  "aliases": [
    "CVE-2026-89590"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-11T20:19:43Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/rocket: Fix error path handling in rocket_job_run()\n\nIn rocket_job_run(), after taking an extra fence reference for\njob-\u003edone_fence via dma_fence_get(), the error paths have three bugs:\n\n- The dma_fence reference held by job-\u003edone_fence is never released,\n  causing a reference leak.\n- pm_runtime_get_sync() increments the usage counter even on failure,\n  but the error path does not decrement it, leaking the runtime PM\n  reference and preventing the NPU from suspending.\n- A valid but unsignaled fence is returned to the DRM scheduler,\n  which triggers WARN(\"Fence ... released with pending signals!\")\n  when the scheduler drops its reference.\n\nFix by replacing pm_runtime_get_sync() with pm_runtime_resume_and_get()\nwhich auto-balances the usage counter on failure, releasing both fence\nreferences on error, and returning ERR_PTR(ret) instead of the\nunsignaled fence.\n\n[tomeu: Refactored error paths to use consolidated goto labels]",
  "id": "GHSA-8m8f-887v-xxcc",
  "modified": "2026-09-11T21:31:33Z",
  "published": "2026-09-11T21:31:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89590"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d6fa298c23495b805004f5f446497b661998fa5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9ad8821573a36bcd18c84dbca3027802b0ea062f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b2dedadf6a91ac3fc9fae268bb556a041222711"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-89590 (GCVE-0-2026-89590)

Vulnerability from cvelistv5 – Published: 2026-09-11 19:44 – Updated: 2026-09-11 19:44

Title

accel/rocket: Fix error path handling in rocket_job_run()

Summary

In the Linux kernel, the following vulnerability has been resolved: accel/rocket: Fix error path handling in rocket_job_run() In rocket_job_run(), after taking an extra fence reference for job->done_fence via dma_fence_get(), the error paths have three bugs: - The dma_fence reference held by job->done_fence is never released, causing a reference leak. - pm_runtime_get_sync() increments the usage counter even on failure, but the error path does not decrement it, leaking the runtime PM reference and preventing the NPU from suspending. - A valid but unsignaled fence is returned to the DRM scheduler, which triggers WARN("Fence ... released with pending signals!") when the scheduler drops its reference. Fix by replacing pm_runtime_get_sync() with pm_runtime_resume_and_get() which auto-balances the usage counter on failure, releasing both fence references on error, and returning ERR_PTR(ret) instead of the unsignaled fence. [tomeu: Refactored error paths to use consolidated goto labels]

Severity

No CVSS data available.

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/9ad8821573a36bcd1…
https://git.kernel.org/stable/c/7d6fa298c23495b80…
https://git.kernel.org/stable/c/9b2dedadf6a91ac3f…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 0810d5ad88a18f1e6d549853a388ad0316f74e36 , < 9ad8821573a36bcd18c84dbca3027802b0ea062f (git) Affected: 0810d5ad88a18f1e6d549853a388ad0316f74e36 , < 7d6fa298c23495b805004f5f446497b661998fa5 (git) Affected: 0810d5ad88a18f1e6d549853a388ad0316f74e36 , < 9b2dedadf6a91ac3fc9fae268bb556a041222711 (git)
Linux	Linux	Affected: 6.18 Unaffected: 0 , < 6.18 (semver) Unaffected: 6.18.50 , ≤ 6.18.* (semver) Unaffected: 7.2.4 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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{
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        {
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          "programFiles": [
            "drivers/accel/rocket/rocket_job.c"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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