{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-35991", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-17T13:50:33.146Z", "datePublished": "2024-05-20T09:47:56.401Z", "dateUpdated": "2026-05-11T20:15:11.120Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:15:11.120Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: Convert spinlock to mutex to lock evl workqueue\n\ndrain_workqueue() cannot be called safely in a spinlocked context due to\npossible task rescheduling. In the multi-task scenario, calling\nqueue_work() while drain_workqueue() will lead to a Call Trace as\npushing a work on a draining workqueue is not permitted in spinlocked\ncontext.\n Call Trace:\n \n ? __warn+0x7d/0x140\n ? __queue_work+0x2b2/0x440\n ? report_bug+0x1f8/0x200\n ? handle_bug+0x3c/0x70\n ? exc_invalid_op+0x18/0x70\n ? asm_exc_invalid_op+0x1a/0x20\n ? __queue_work+0x2b2/0x440\n queue_work_on+0x28/0x30\n idxd_misc_thread+0x303/0x5a0 [idxd]\n ? __schedule+0x369/0xb40\n ? __pfx_irq_thread_fn+0x10/0x10\n ? irq_thread+0xbc/0x1b0\n irq_thread_fn+0x21/0x70\n irq_thread+0x102/0x1b0\n ? preempt_count_add+0x74/0xa0\n ? __pfx_irq_thread_dtor+0x10/0x10\n ? __pfx_irq_thread+0x10/0x10\n kthread+0x103/0x140\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x31/0x50\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1b/0x30\n \n\nThe current implementation uses a spinlock to protect event log workqueue\nand will lead to the Call Trace due to potential task rescheduling.\n\nTo address the locking issue, convert the spinlock to mutex, allowing\nthe drain_workqueue() to be called in a safe mutex-locked context.\n\nThis change ensures proper synchronization when accessing the event log\nworkqueue, preventing potential Call Trace and improving the overall\nrobustness of the code." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/dma/idxd/cdev.c", "drivers/dma/idxd/debugfs.c", "drivers/dma/idxd/device.c", "drivers/dma/idxd/idxd.h", "drivers/dma/idxd/init.c", "drivers/dma/idxd/irq.c" ], "versions": [ { "version": "c40bd7d9737bdcfb02d42765bc6c59b338151123", "lessThan": "758071a35d9f3ffd84ff12169d081412a2f5f098", "status": "affected", "versionType": "git" }, { "version": "c40bd7d9737bdcfb02d42765bc6c59b338151123", "lessThan": "c9b732a9f73eadc638abdcf0a6d39bc7a0c1af5f", "status": "affected", "versionType": "git" }, { "version": "c40bd7d9737bdcfb02d42765bc6c59b338151123", "lessThan": "d5638de827cff0fce77007e426ec0ffdedf68a44", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/dma/idxd/cdev.c", "drivers/dma/idxd/debugfs.c", "drivers/dma/idxd/device.c", "drivers/dma/idxd/idxd.h", "drivers/dma/idxd/init.c", "drivers/dma/idxd/irq.c" ], "versions": [ { "version": "6.4", "status": "affected" }, { "version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.30", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8.9", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.9", "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": "6.4", "versionEndExcluding": "6.6.30" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.8.9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.9" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/758071a35d9f3ffd84ff12169d081412a2f5f098" }, { "url": "https://git.kernel.org/stable/c/c9b732a9f73eadc638abdcf0a6d39bc7a0c1af5f" }, { "url": "https://git.kernel.org/stable/c/d5638de827cff0fce77007e426ec0ffdedf68a44" } ], "title": "dmaengine: idxd: Convert spinlock to mutex to lock evl workqueue", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-35991", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-05-20T17:22:23.685967Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:34:50.056Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:30:12.585Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/758071a35d9f3ffd84ff12169d081412a2f5f098", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/c9b732a9f73eadc638abdcf0a6d39bc7a0c1af5f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/d5638de827cff0fce77007e426ec0ffdedf68a44", "tags": [ "x_transferred" ] } ] } ] } }