{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-47696", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-47696", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-10-21T11:53:33.950Z", "updatedAt": "2026-10-15T00:51:32.908Z", "importedAt": "2026-10-24T01:57:16.009Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "RDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency\n\nIn the commit aee2424246f9 (\"RDMA/iwcm: Fix a use-after-free related to\ndestroying CM IDs\"), the function flush_workqueue is invoked to flush the\nwork queue iwcm_wq.\n\nBut at that time, the work queue iwcm_wq was created via the function\nalloc_ordered_workqueue without the flag WQ_MEM_RECLAIM.\n\nBecause the current process is trying to flush the whole iwcm_wq, if\niwcm_wq doesn't have the flag WQ_MEM_RECLAIM, verify that the current\nprocess is not reclaiming memory or running on a workqueue which doesn't\nhave the flag WQ_MEM_RECLAIM as that can break forward-progress guarantee\nleading to a deadlock.\n\nThe call trace is as below:\n\n[ 125.350876][ T1430] Call Trace:\n[ 125.356281][ T1430] \n[ 125.361285][ T1430] ? __warn (kernel/panic.c:693)\n[ 125.367640][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9))\n[ 125.375689][ T1430] ? report_bug (lib/bug.c:180 lib/bug.c:219)\n[ 125.382505][ T1430] ? handle_bug (arch/x86/kernel/traps.c:239)\n[ 125.388987][ T1430] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))\n[ 125.395831][ T1430] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)\n[ 125.403125][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9))\n[ 125.410984][ T1430] ? check_flush_dependency (kernel/workqueue.c:3706 (discriminator 9))\n[ 125.418764][ T1430] __flush_workqueue (kernel/workqueue.c:3970)\n[ 125.426021][ T1430] ? __pfx___might_resched (kernel/sched/core.c:10151)\n[ 125.433431][ T1430] ? destroy_cm_id (drivers/infiniband/core/iwcm.c:375) iw_cm\n[ 125.441209][ T1430] ? __pfx___flush_workqueue (kernel/workqueue.c:3910)\n[ 125.473900][ T1430] ? _raw_spin_lock_irqsave (arch/x86/include/asm/atomic.h:107 include/linux/atomic/atomic-arch-fallback.h:2170 include/linux/atomic/atomic-instrumented.h:1302 include/asm-generic/qspinlock.h:111 include/linux/spinlock.h:187 include/linux/spinlock_api_smp.h:111 kernel/locking/spinlock.c:162)\n[ 125.473909][ T1430] ? __pfx__raw_spin_lock_irqsave (kernel/locking/spinlock.c:161)\n[ 125.482537][ T1430] _destroy_id (drivers/infiniband/core/cma.c:2044) rdma_cm\n[ 125.495072][ T1430] nvme_rdma_free_queue (drivers/nvme/host/rdma.c:656 drivers/nvme/host/rdma.c:650) nvme_rdma\n[ 125.505827][ T1430] nvme_rdma_reset_ctrl_work (drivers/nvme/host/rdma.c:2180) nvme_rdma\n[ 125.505831][ T1430] process_one_work (kernel/workqueue.c:3231)\n[ 125.515122][ T1430] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3393)\n[ 125.515127][ T1430] ? __pfx_worker_thread (kernel/workqueue.c:3339)\n[ 125.531837][ T1430] kthread (kernel/kthread.c:389)\n[ 125.539864][ T1430] ? __pfx_kthread (kernel/kthread.c:342)\n[ 125.550628][ T1430] ret_from_fork (arch/x86/kernel/process.c:147)\n[ 125.558840][ T1430] ? __pfx_kthread (kernel/kthread.c:342)\n[ 125.558844][ T1430] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)\n[ 125.566487][ T1430] \n[ 125.566488][ T1430] ---[ end trace 0000000000000000 ]---", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "d91d253c87fd1efece521ff2612078a35af673c6", "status": "affected", "versionType": "git", "lessThan": "da2708a19f45b4a7278adf523837c8db21d1e2b5" }, { "version": "7f25f296fc9bd0435be14e89bf657cd615a23574", "status": "affected", "versionType": "git", "lessThan": "29b3bbd912b8db86df7a3c180b910ccb621f5635" }, { "version": "94ee7ff99b87435ec63211f632918dc7f44dac79", "status": "affected", "versionType": "git", "lessThan": "2efe8da2ddbf873385b4bc55366d09350b408df6" }, { "version": "557d035fe88d78dd51664f4dc0e1896c04c97cf6", "status": "affected", "versionType": "git", "lessThan": "da0392698c62397c19deb1b9e9bdf2fbb5a9420e" }, { "version": "dc8074b8901caabb97c2d353abd6b4e7fa5a59a5", "status": "affected", "versionType": "git", "lessThan": "a64f30db12bdc937c5108158d98c8eab1925c548" }, { "version": "ff5bbbdee08287d75d72e65b72a2b76d9637892a", "status": "affected", "versionType": "git", "lessThan": "8b7df76356d098f85f3bd2c7cf6fb43f531893d7" }, { "version": "ee39384ee787e86e9db4efb843818ef0ea9cb8ae", "status": "affected", "versionType": "git", "lessThan": "c8b18a75282cfd27822a8cc3c1f005c1ac8d1a58" }, { "version": "aee2424246f9f1dadc33faa78990c1e2eb7826e4", "status": "affected", "versionType": "git", "lessThan": "a09dc967b3c58899e259c0aea092f421d22a0b04" }, { "version": "aee2424246f9f1dadc33faa78990c1e2eb7826e4", "status": "affected", "versionType": "git", "lessThan": "86dfdd8288907f03c18b7fb462e0e232c4f98d89" }, { "version": "4.19.320", "status": "affected", "versionType": "semver", "lessThan": "4.19.323" }, { "version": "5.4.282", "status": "affected", "versionType": "semver", "lessThan": "5.4.285" }, { "version": "5.10.224", "status": "affected", "versionType": "semver", "lessThan": "5.10.227" }, { "version": "5.15.165", "status": "affected", "versionType": "semver", "lessThan": "5.15.168" }, { "version": "6.1.103", "status": "affected", "versionType": "semver", "lessThan": "6.1.113" }, { "version": "6.6.44", "status": "affected", "versionType": "semver", "lessThan": "6.6.54" }, { "version": "6.10.3", "status": "affected", "versionType": "semver", "lessThan": "6.10.13" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "6.11", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "6.11" }, { "version": "4.19.323", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.285", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.227", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.168", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.113", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.54", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.10.13", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.10.*" }, { "version": "6.11.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.11.*" }, { "version": "6.12", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }