| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: initialize close_work early to avoid warning\n\nWe encountered a warning that close_work was canceled before\ninitialization.\n\n WARNING: CPU: 7 PID: 111103 at kernel/workqueue.c:3047 __flush_work+0x19e/0x1b0\n Workqueue: events smc_lgr_terminate_work [smc]\n RIP: 0010:__flush_work+0x19e/0x1b0\n Call Trace:\n ? __wake_up_common+0x7a/0x190\n ? work_busy+0x80/0x80\n __cancel_work_timer+0xe3/0x160\n smc_close_cancel_work+0x1a/0x70 [smc]\n smc_close_active_abort+0x207/0x360 [smc]\n __smc_lgr_terminate.part.38+0xc8/0x180 [smc]\n process_one_work+0x19e/0x340\n worker_thread+0x30/0x370\n ? process_one_work+0x340/0x340\n kthread+0x117/0x130\n ? __kthread_cancel_work+0x50/0x50\n ret_from_fork+0x22/0x30\n\nThis is because when smc_close_cancel_work is triggered, e.g. the RDMA\ndriver is rmmod and the LGR is terminated, the conn->close_work is\nflushed before initialization, resulting in WARN_ON(!work->func).\n\n__smc_lgr_terminate | smc_connect_{rdma|ism}\n-------------------------------------------------------------\n | smc_conn_create\n\t\t\t\t| \\- smc_lgr_register_conn\nfor conn in lgr->conns_all |\n\\- smc_conn_kill |\n \\- smc_close_active_abort |\n \\- smc_close_cancel_work |\n \\- cancel_work_sync |\n \\- __flush_work |\n\t (close_work) |\n\t | smc_close_init\n\t | \\- INIT_WORK(&close_work)\n\nSo fix this by initializing close_work before establishing the\nconnection." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/smc/af_smc.c" |
| ], |
| "versions": [ |
| { |
| "version": "46c28dbd4c23c3f7fa37f5ea48772af79c9cc40e", |
| "lessThan": "f0c37002210aaede10dae849d1a78efc2243add2", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "46c28dbd4c23c3f7fa37f5ea48772af79c9cc40e", |
| "lessThan": "6638e52dcfafaf1b9cbc34544f0c832db0069ea1", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "46c28dbd4c23c3f7fa37f5ea48772af79c9cc40e", |
| "lessThan": "0541db8ee32c09463a72d0987382b3a3336b0043", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/smc/af_smc.c" |
| ], |
| "versions": [ |
| { |
| "version": "4.12", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "4.12", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.66", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.5", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13", |
| "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": "4.12", |
| "versionEndExcluding": "6.6.66" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.12", |
| "versionEndExcluding": "6.12.5" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.12", |
| "versionEndExcluding": "6.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/f0c37002210aaede10dae849d1a78efc2243add2" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/6638e52dcfafaf1b9cbc34544f0c832db0069ea1" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/0541db8ee32c09463a72d0987382b3a3336b0043" |
| } |
| ], |
| "title": "net/smc: initialize close_work early to avoid warning", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-56641", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
