{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99230", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.402Z", "datePublished": "2026-11-02T16:06:37.984Z", "dateUpdated": "2026-11-02T16:06:37.984Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-11-02T16:06:37.984Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/cmd: don't leave list poison in ->hash_node\n\nio_uring_cmd_del_cancelable() uses hlist_del() to take a command off\n->cancelable_uring_cmd, which leaves LIST_POISON1/2 behind in\n->hash_node. Requests are recycled through the request cache without\nbeing reinitialised, and not every user of ->hash_node sets it up before\nit is used:\n\nIf a vectored futex wait is woken while futex_wait_multiple_setup() is\nstill queueing the futexes, io_futexv_wait() doesn't add the request to\n->futex_list, and leaves the completion to the task_work queued by the\nwake up. io_futexv_complete() ends in __io_futex_complete(), whose\nhlist_del_init() is fine for a request that is unhashed, which is how all\nother users of the node leave it. If the request was a cancelable\nuring_cmd in its previous life, e.g. a ublk FETCH_REQ, it writes through\nLIST_POISON2:\n\n Oops: general protection fault, probably for non-canonical address\n KASAN: maybe wild-memory-access in range [0xdead000000000120-...]\n RIP: 0010:io_futexv_complete+0x219/0x420\n Call Trace:\n tctx_task_work_run+0x804/0x950\n tctx_task_work+0x71/0xa0\n task_work_run+0x118/0x200\n\nLeave the node unhashed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["io_uring/uring_cmd.c"], "versions": [{"version": "93b8cc60c37b9d17732b7a297e5dca29b50a990d", "lessThan": "cc7f13d006fcefed9564bd79f135b51d344e9c77", "status": "affected", "versionType": "git"}, {"version": "93b8cc60c37b9d17732b7a297e5dca29b50a990d", "lessThan": "2d5af21422060c088f6e4fb0f1e7dcf5bcdd6707", "status": "affected", "versionType": "git"}, {"version": "93b8cc60c37b9d17732b7a297e5dca29b50a990d", "lessThan": "685b49483200384d7f49d338af476e26e6824637", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["io_uring/uring_cmd.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.115", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.60", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.14", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.12.115"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.18.60"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.2.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cc7f13d006fcefed9564bd79f135b51d344e9c77"}, {"url": "https://git.kernel.org/stable/c/2d5af21422060c088f6e4fb0f1e7dcf5bcdd6707"}, {"url": "https://git.kernel.org/stable/c/685b49483200384d7f49d338af476e26e6824637"}], "title": "io_uring/cmd: don't leave list poison in ->hash_node", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["io_uring/uring_cmd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "cc7f13d006fcefed9564bd79f135b51d344e9c77", "status": "affected", "version": "93b8cc60c37b9d17732b7a297e5dca29b50a990d", "versionType": "git"}, {"lessThan": "2d5af21422060c088f6e4fb0f1e7dcf5bcdd6707", "status": "affected", "version": "93b8cc60c37b9d17732b7a297e5dca29b50a990d", "versionType": "git"}, {"lessThan": "685b49483200384d7f49d338af476e26e6824637", "status": "affected", "version": "93b8cc60c37b9d17732b7a297e5dca29b50a990d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["io_uring/uring_cmd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"lessThan": "6.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.115", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.60", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.14", "versionType": "semver"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/cmd: don't leave list poison in ->hash_node\n\nio_uring_cmd_del_cancelable() uses hlist_del() to take a command off\n->cancelable_uring_cmd, which leaves LIST_POISON1/2 behind in\n->hash_node. Requests are recycled through the request cache without\nbeing reinitialised, and not every user of ->hash_node sets it up before\nit is used:\n\nIf a vectored futex wait is woken while futex_wait_multiple_setup() is\nstill queueing the futexes, io_futexv_wait() doesn't add the request to\n->futex_list, and leaves the completion to the task_work queued by the\nwake up. io_futexv_complete() ends in __io_futex_complete(), whose\nhlist_del_init() is fine for a request that is unhashed, which is how all\nother users of the node leave it. If the request was a cancelable\nuring_cmd in its previous life, e.g. a ublk FETCH_REQ, it writes through\nLIST_POISON2:\n\n Oops: general protection fault, probably for non-canonical address\n KASAN: maybe wild-memory-access in range [0xdead000000000120-...]\n RIP: 0010:io_futexv_complete+0x219/0x420\n Call Trace:\n tctx_task_work_run+0x804/0x950\n tctx_task_work+0x71/0xa0\n task_work_run+0x118/0x200\n\nLeave the node unhashed."}], "id": "CVE-2026-99230", "lastModified": "2026-11-02T16:17:47.927", "metrics": {}, "published": "2026-11-02T16:17:47.927", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2d5af21422060c088f6e4fb0f1e7dcf5bcdd6707"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/685b49483200384d7f49d338af476e26e6824637"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cc7f13d006fcefed9564bd79f135b51d344e9c77"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[93b8cc60c37b9d17732b7a297e5dca29b50a990d,cc7f13d006fcefed9564bd79f135b51d344e9c77)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[93b8cc60c37b9d17732b7a297e5dca29b50a990d,2d5af21422060c088f6e4fb0f1e7dcf5bcdd6707)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[93b8cc60c37b9d17732b7a297e5dca29b50a990d,685b49483200384d7f49d338af476e26e6824637)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.115,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.60,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.14,7.3.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[93b8cc60c37b9d17732b7a297e5dca29b50a990d,cc7f13d006fcefed9564bd79f135b51d344e9c77)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[93b8cc60c37b9d17732b7a297e5dca29b50a990d,2d5af21422060c088f6e4fb0f1e7dcf5bcdd6707)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[93b8cc60c37b9d17732b7a297e5dca29b50a990d,685b49483200384d7f49d338af476e26e6824637)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.115,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.60,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.14,7.3.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-11-02T18:15:14.382569+00:00", "updated": "2026-11-02T18:15:14.646204+00:00", "vendors": ["linux", "linux$PRODUCT$linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-457", "CWE-416"]}