{"id":"CVE-2025-68218","state":"PUBLISHED","title":"nvme-multipath: fix lockdep WARN due to partition scan work","description":"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.","publishedAt":"2025-12-16T13:57:12.733Z","updatedAt":"2026-10-15T22:02:48.088Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"Linux"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"60de2e03f984cfbcdc12fa552f95087c35a05a98","status":"affected","lessThan":"89456dab7ba5ab63d60945440926673a3205e829","versionType":"git"},{"version":"4a57f42e5ed42cb8f1beb262c4f6d3e698939e4e","status":"affected","lessThan":"e2a897ad5f538d314955c747a0a2edb184fcdecd","versionType":"git"},{"version":"1f021341eef41e77a633186e9be5223de2ce5d48","status":"affected","lessThan":"ef4ab2a8abe554379e10303ae86f7c501336ba0d","versionType":"git"},{"version":"1f021341eef41e77a633186e9be5223de2ce5d48","status":"affected","lessThan":"b03eb63288a8ffe3adfb34e68309c8e2edb06d0b","versionType":"git"},{"version":"1f021341eef41e77a633186e9be5223de2ce5d48","status":"affected","lessThan":"6d87cd5335784351280f82c47cc8a657271929c3","versionType":"git"},{"version":"a91b7eddf45afeeb9c5ece11dddff5de0921b00f","status":"affected","versionType":"git"},{"version":"6.1.118","status":"affected","lessThan":"6.1.159","versionType":"semver"},{"version":"6.6.62","status":"affected","lessThan":"6.6.118","versionType":"semver"},{"version":"6.11.9","status":"affected","lessThan":"6.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/multipath.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.118","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.60","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.10","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/multipath.c"]}],"references":["https://git.kernel.org/stable/c/89456dab7ba5ab63d60945440926673a3205e829","https://git.kernel.org/stable/c/e2a897ad5f538d314955c747a0a2edb184fcdecd","https://git.kernel.org/stable/c/ef4ab2a8abe554379e10303ae86f7c501336ba0d","https://git.kernel.org/stable/c/b03eb63288a8ffe3adfb34e68309c8e2edb06d0b","https://git.kernel.org/stable/c/6d87cd5335784351280f82c47cc8a657271929c3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68218.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68218","state":"PUBLISHED","datePublished":"2025-12-16T13:57:12.733Z","dateUpdated":"2026-10-15T22:02:48.088Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T13:41:40.256Z"},"containers":{"cna":{"title":"nvme-multipath: fix lockdep WARN due to partition scan work","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"60de2e03f984cfbcdc12fa552f95087c35a05a98","status":"affected","lessThan":"89456dab7ba5ab63d60945440926673a3205e829","versionType":"git"},{"version":"4a57f42e5ed42cb8f1beb262c4f6d3e698939e4e","status":"affected","lessThan":"e2a897ad5f538d314955c747a0a2edb184fcdecd","versionType":"git"},{"version":"1f021341eef41e77a633186e9be5223de2ce5d48","status":"affected","lessThan":"ef4ab2a8abe554379e10303ae86f7c501336ba0d","versionType":"git"},{"version":"1f021341eef41e77a633186e9be5223de2ce5d48","status":"affected","lessThan":"b03eb63288a8ffe3adfb34e68309c8e2edb06d0b","versionType":"git"},{"version":"1f021341eef41e77a633186e9be5223de2ce5d48","status":"affected","lessThan":"6d87cd5335784351280f82c47cc8a657271929c3","versionType":"git"},{"version":"a91b7eddf45afeeb9c5ece11dddff5de0921b00f","status":"affected","versionType":"git"},{"version":"6.1.118","status":"affected","lessThan":"6.1.159","versionType":"semver"},{"version":"6.6.62","status":"affected","lessThan":"6.6.118","versionType":"semver"},{"version":"6.11.9","status":"affected","lessThan":"6.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/multipath.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.1.159","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.118","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.60","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.10","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/multipath.c"]}],"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"}],"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."}]}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-05T12:10:17.092Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-68218","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-15T22:00:21.846501Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-15T22:02:48.088Z"}}]}}}