CVE-2024-35991

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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 <TASK>\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 </TASK>\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"]}]}]}}

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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 <TASK>\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 </TASK>\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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.30", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8.9", "versionStartIncluding": "6.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.9", "versionStartIncluding": "6.4"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T09:10:03.849Z"}}}, "cveMetadata": {"cveId": "CVE-2024-35991", "state": "PUBLISHED", "dateUpdated": "2025-05-04T09:10:03.849Z", "dateReserved": "2024-05-17T13:50:33.146Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-20T09:47:56.401Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "758071a35d9f3ffd84ff12169d081412a2f5f098", "status": "affected", "version": "c40bd7d9737bdcfb02d42765bc6c59b338151123", "versionType": "git"}, {"lessThan": "c9b732a9f73eadc638abdcf0a6d39bc7a0c1af5f", "status": "affected", "version": "c40bd7d9737bdcfb02d42765bc6c59b338151123", "versionType": "git"}, {"lessThan": "d5638de827cff0fce77007e426ec0ffdedf68a44", "status": "affected", "version": "c40bd7d9737bdcfb02d42765bc6c59b338151123", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "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"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.4"}, {"lessThan": "6.4", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.30", "versionType": "semver"}, {"lessThanOrEqual": "6.8.*", "status": "unaffected", "version": "6.8.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "690AEB51-07F0-40A3-9967-DE94D673735E", "versionEndExcluding": "6.6.30", "versionStartIncluding": "6.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5F9041E5-8358-4EF7-8F98-B812EDE49612", "versionEndExcluding": "6.8.9", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*", "matchCriteriaId": "22BEDD49-2C6D-402D-9DBF-6646F6ECD10B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*", "matchCriteriaId": "DF73CB2A-DFFD-46FB-9BFE-AA394F27EA37", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:*", "matchCriteriaId": "52048DDA-FC5A-4363-95A0-A6357B4D7F8C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc4:*:*:*:*:*:*", "matchCriteriaId": "A06B2CCF-3F43-4FA9-8773-C83C3F5764B2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc5:*:*:*:*:*:*", "matchCriteriaId": "F850DCEC-E08B-4317-A33B-D2DCF39F601B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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 <TASK>\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 </TASK>\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."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: dmaengine: idxd: convertir spinlock a mutex para bloquear evl workqueue. Drain_workqueue() no se puede llamar de forma segura en un contexto de spinlock debido a una posible reprogramaci\u00f3n de tareas. En el escenario de tareas m\u00faltiples, llamar a queue_work() mientras Drain_workqueue() generar\u00e1 un seguimiento de llamadas, ya que no se permite enviar un trabajo a una cola de trabajo agotadora en un contexto de bloqueo por giro. Seguimiento de llamadas: ? __warn+0x7d/0x140 ? __queue_work+0x2b2/0x440? report_bug+0x1f8/0x200? handle_bug+0x3c/0x70? exc_invalid_op+0x18/0x70? asm_exc_invalid_op+0x1a/0x20? __queue_work+0x2b2/0x440 queue_work_on+0x28/0x30 idxd_misc_thread+0x303/0x5a0 [idxd] ? __schedule+0x369/0xb40? __pfx_irq_thread_fn+0x10/0x10 ? irq_thread+0xbc/0x1b0 irq_thread_fn+0x21/0x70 irq_thread+0x102/0x1b0 ? preempt_count_add+0x74/0xa0? __pfx_irq_thread_dtor+0x10/0x10 ? __pfx_irq_thread+0x10/0x10 kthread+0x103/0x140 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x31/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 La implementaci\u00f3n actual utiliza un bloqueo giratorio para proteger la cola de trabajo del registro de eventos y conducir\u00e1 al seguimiento de llamadas debido a una posible reprogramaci\u00f3n de tareas. Para solucionar el problema de bloqueo, convierta el spinlock a mutex, lo que permite llamar a Drain_workqueue() en un contexto seguro con bloqueo mutex. Este cambio garantiza una sincronizaci\u00f3n adecuada al acceder a la cola de trabajo del registro de eventos, lo que evita un posible seguimiento de llamadas y mejora la solidez general del c\u00f3digo."}], "id": "CVE-2024-35991", "lastModified": "2026-06-17T07:35:53.910", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-35991", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-05-20T17:22:23.685967Z", "version": "2.0.3"}}]}, "published": "2024-05-20T10:15:13.333", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/758071a35d9f3ffd84ff12169d081412a2f5f098"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c9b732a9f73eadc638abdcf0a6d39bc7a0c1af5f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d5638de827cff0fce77007e426ec0ffdedf68a44"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/758071a35d9f3ffd84ff12169d081412a2f5f098"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c9b732a9f73eadc638abdcf0a6d39bc7a0c1af5f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d5638de827cff0fce77007e426ec0ffdedf68a44"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: dmaengine: idxd: Convert spinlock to mutex to lock evl workqueue", "id": "2281843", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281843"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndmaengine: idxd: Convert spinlock to mutex to lock evl workqueue\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.\nCall Trace:\n<TASK>\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\nqueue_work_on+0x28/0x30\nidxd_misc_thread+0x303/0x5a0 [idxd]\n? __schedule+0x369/0xb40\n? __pfx_irq_thread_fn+0x10/0x10\n? irq_thread+0xbc/0x1b0\nirq_thread_fn+0x21/0x70\nirq_thread+0x102/0x1b0\n? preempt_count_add+0x74/0xa0\n? __pfx_irq_thread_dtor+0x10/0x10\n? __pfx_irq_thread+0x10/0x10\nkthread+0x103/0x140\n? __pfx_kthread+0x10/0x10\nret_from_fork+0x31/0x50\n? __pfx_kthread+0x10/0x10\nret_from_fork_asm+0x1b/0x30\n</TASK>\nThe current implementation uses a spinlock to protect event log workqueue\nand will lead to the Call Trace due to potential task rescheduling.\nTo address the locking issue, convert the spinlock to mutex, allowing\nthe drain_workqueue() to be called in a safe mutex-locked context.\nThis change ensures proper synchronization when accessing the event log\nworkqueue, preventing potential Call Trace and improving the overall\nrobustness of the code."], "name": "CVE-2024-35991", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-35991\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35991\nhttps://lore.kernel.org/linux-cve-announce/2024052020-CVE-2024-35991-5f06@gregkh/T"], "threat_severity": "Low"}

{}