{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-68218", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T13:41:40.256Z", "datePublished": "2025-12-16T13:57:12.733Z", "dateUpdated": "2026-08-05T12:10:17.092Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:10:17.092Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-multipath: fix lockdep WARN due to partition scan work\n\nBlktests test cases nvme/014, 057 and 058 fail occasionally due to a\nlockdep WARN. As reported in the Closes tag URL, the WARN indicates that\na deadlock can happen due to the dependency among disk->open_mutex,\nkblockd workqueue completion and partition_scan_work completion.\n\nTo avoid the lockdep WARN and the potential deadlock, cut the dependency\nby running the partition_scan_work not by kblockd workqueue but by\nnvme_wq." } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "scenarios": [ { "lang": "en", "value": "AV:N - A malicious NVMe/TCP, RDMA, or FC controller can remotely drive namespace discovery, rapid remapping, ANA changes, and removal through protocol responses and asynchronous events.\nAC:L - The controller controls namespace presentation and removal and can repeatedly trigger rapid lifecycle changes to overlap automated partition scanning and device closure.\nPR:N - Once the host is connected, an NVMe-oF peer needs no privileges on the vulnerable host; authentication is optional and unauthenticated NVMe/TCP deployments are supported.\nUI:N - Namespace scanning and systemd-udevd device opening and closure occur automatically in a configured persistent NVMe-oF deployment.\nS:U - The deadlock affects resources within the host kernel's existing security authority and does not cross a virtualization or isolation boundary.\nC:N - The defect creates a circular locking dependency without exposing memory or providing an information-disclosure primitive.\nI:N - No memory corruption, unauthorized write, or control-flow modification results from the workqueue deadlock.\nA:H - The circular dependency can deadlock NVMe and block-layer work and device teardown, hanging storage operations and potentially critical system services." } ] } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/nvme/host/multipath.c" ], "versions": [ { "version": "60de2e03f984cfbcdc12fa552f95087c35a05a98", "lessThan": "89456dab7ba5ab63d60945440926673a3205e829", "status": "affected", "versionType": "git" }, { "version": "4a57f42e5ed42cb8f1beb262c4f6d3e698939e4e", "lessThan": "e2a897ad5f538d314955c747a0a2edb184fcdecd", "status": "affected", "versionType": "git" }, { "version": "1f021341eef41e77a633186e9be5223de2ce5d48", "lessThan": "ef4ab2a8abe554379e10303ae86f7c501336ba0d", "status": "affected", "versionType": "git" }, { "version": "1f021341eef41e77a633186e9be5223de2ce5d48", "lessThan": "b03eb63288a8ffe3adfb34e68309c8e2edb06d0b", "status": "affected", "versionType": "git" }, { "version": "1f021341eef41e77a633186e9be5223de2ce5d48", "lessThan": "6d87cd5335784351280f82c47cc8a657271929c3", "status": "affected", "versionType": "git" }, { "version": "a91b7eddf45afeeb9c5ece11dddff5de0921b00f", "status": "affected", "versionType": "git" }, { "version": "6.1.118", "lessThan": "6.1.159", "status": "affected", "versionType": "semver" }, { "version": "6.6.62", "lessThan": "6.6.118", "status": "affected", "versionType": "semver" }, { "version": "6.11.9", "lessThan": "6.12", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/nvme/host/multipath.c" ], "versions": [ { "version": "6.12", "status": "affected" }, { "version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.159", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.118", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.60", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.17.10", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18", "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": "6.1.118", "versionEndExcluding": "6.1.159" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.62", "versionEndExcluding": "6.6.118" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.12.60" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.17.10" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.18" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11.9" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/89456dab7ba5ab63d60945440926673a3205e829" }, { "url": "https://git.kernel.org/stable/c/e2a897ad5f538d314955c747a0a2edb184fcdecd" }, { "url": "https://git.kernel.org/stable/c/ef4ab2a8abe554379e10303ae86f7c501336ba0d" }, { "url": "https://git.kernel.org/stable/c/b03eb63288a8ffe3adfb34e68309c8e2edb06d0b" }, { "url": "https://git.kernel.org/stable/c/6d87cd5335784351280f82c47cc8a657271929c3" } ], "title": "nvme-multipath: fix lockdep WARN due to partition scan work", "x_generator": { "engine": "bippy-1.2.0" } } } }