{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89591", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.730Z", "datePublished": "2026-09-11T19:44:55.080Z", "dateUpdated": "2026-09-11T19:44:55.080Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:44:55.080Z"}, "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->domain), but job->domain 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->tasks after freeing it in rocket_copy_tasks(), so\nthe common cleanup path cannot free the task array again after a task-copy\nerror."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/rocket/rocket_job.c"], "versions": [{"version": "0810d5ad88a18f1e6d549853a388ad0316f74e36", "lessThan": "3043230296653a609ab50006899e64bbb2d99465", "status": "affected", "versionType": "git"}, {"version": "0810d5ad88a18f1e6d549853a388ad0316f74e36", "lessThan": "81731f1eda5e6a1dfad31445f741de9bbefbb08e", "status": "affected", "versionType": "git"}, {"version": "0810d5ad88a18f1e6d549853a388ad0316f74e36", "lessThan": "70e6a33d68a9b03335c5426332666e52d07f45d6", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/rocket/rocket_job.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.3-rc1"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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->domain), but job->domain 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->tasks after freeing it in rocket_copy_tasks(), so\nthe common cleanup path cannot free the task array again after a task-copy\nerror."}], "id": "CVE-2026-89591", "lastModified": "2026-09-11T20:19:43.683", "metrics": {}, "published": "2026-09-11T20:19:43.683", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3043230296653a609ab50006899e64bbb2d99465"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/70e6a33d68a9b03335c5426332666e52d07f45d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/81731f1eda5e6a1dfad31445f741de9bbefbb08e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: NULL pointer dereference in accel/rocket module", "id": "2532212", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532212"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's `accel/rocket` module. During error handling in the `rocket_ioctl_submit_job()` function, a cleanup routine may attempt to free a `job->domain` pointer that has not yet been initialized, leading to a NULL pointer dereference. A local attacker could exploit this vulnerability to trigger a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-89591", "public_date": "2026-09-11T19:44:55Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89591\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89591\nhttps://git.kernel.org/stable/c/3043230296653a609ab50006899e64bbb2d99465\nhttps://git.kernel.org/stable/c/70e6a33d68a9b03335c5426332666e52d07f45d6\nhttps://git.kernel.org/stable/c/81731f1eda5e6a1dfad31445f741de9bbefbb08e"], "threat_severity": "Moderate"}

{"created": "2026-09-12T04:15:05.728758+00:00", "title": "Null Pointer Dereference During Job Domain Cleanup in Linux Kernel Rocket Acceleration", "updated": "2026-09-12T04:15:05.728771+00:00", "vendors": []}