accel/rocket: initialize job domain before cleanup paths

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Summary

CVECVE-2026-89591
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:19:43 UTC
Updated2026-09-11 20:19:43 UTC
DescriptionIn 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.

Risk And Classification

EPSS: 0.001980000 probability, percentile 0.096920000 (date 2026-09-12)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0810d5ad88a18f1e6d549853a388ad0316f74e36 3043230296653a609ab50006899e64bbb2d99465 git Not specified
CNA Linux Linux affected 0810d5ad88a18f1e6d549853a388ad0316f74e36 81731f1eda5e6a1dfad31445f741de9bbefbb08e git Not specified
CNA Linux Linux affected 0810d5ad88a18f1e6d549853a388ad0316f74e36 70e6a33d68a9b03335c5426332666e52d07f45d6 git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 semver Not specified
CNA Linux Linux unaffected 6.18.50 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.4 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/70e6a33d68a9b03335c5426332666e52d07f45d6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/81731f1eda5e6a1dfad31445f741de9bbefbb08e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3043230296653a609ab50006899e64bbb2d99465 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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