{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50079", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.941Z", "datePublished": "2024-10-29T00:50:21.508Z", "dateUpdated": "2024-11-05T09:54:38.118Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:54:38.118Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/sqpoll: ensure task state is TASK_RUNNING when running task_work\n\nWhen the sqpoll is exiting and cancels pending work items, it may need\nto run task_work. If this happens from within io_uring_cancel_generic(),\nthen it may be under waiting for the io_uring_task waitqueue. This\nresults in the below splat from the scheduler, as the ring mutex may be\nattempted grabbed while in a TASK_INTERRUPTIBLE state.\n\nEnsure that the task state is set appropriately for that, just like what\nis done for the other cases in io_run_task_work().\n\ndo not call blocking ops when !TASK_RUNNING; state=1 set at [<0000000029387fd2>] prepare_to_wait+0x88/0x2fc\nWARNING: CPU: 6 PID: 59939 at kernel/sched/core.c:8561 __might_sleep+0xf4/0x140\nModules linked in:\nCPU: 6 UID: 0 PID: 59939 Comm: iou-sqp-59938 Not tainted 6.12.0-rc3-00113-g8d020023b155 #7456\nHardware name: linux,dummy-virt (DT)\npstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\npc : __might_sleep+0xf4/0x140\nlr : __might_sleep+0xf4/0x140\nsp : ffff80008c5e7830\nx29: ffff80008c5e7830 x28: ffff0000d93088c0 x27: ffff60001c2d7230\nx26: dfff800000000000 x25: ffff0000e16b9180 x24: ffff80008c5e7a50\nx23: 1ffff000118bcf4a x22: ffff0000e16b9180 x21: ffff0000e16b9180\nx20: 000000000000011b x19: ffff80008310fac0 x18: 1ffff000118bcd90\nx17: 30303c5b20746120 x16: 74657320313d6574 x15: 0720072007200720\nx14: 0720072007200720 x13: 0720072007200720 x12: ffff600036c64f0b\nx11: 1fffe00036c64f0a x10: ffff600036c64f0a x9 : dfff800000000000\nx8 : 00009fffc939b0f6 x7 : ffff0001b6327853 x6 : 0000000000000001\nx5 : ffff0001b6327850 x4 : ffff600036c64f0b x3 : ffff8000803c35bc\nx2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000e16b9180\nCall trace:\n __might_sleep+0xf4/0x140\n mutex_lock+0x84/0x124\n io_handle_tw_list+0xf4/0x260\n tctx_task_work_run+0x94/0x340\n io_run_task_work+0x1ec/0x3c0\n io_uring_cancel_generic+0x364/0x524\n io_sq_thread+0x820/0x124c\n ret_from_fork+0x10/0x20"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["io_uring/io_uring.h"], "versions": [{"version": "af5d68f8892f", "lessThan": "887ba598d9cf", "status": "affected", "versionType": "git"}, {"version": "af5d68f8892f", "lessThan": "8f7033aa4089", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["io_uring/io_uring.h"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.5", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/887ba598d9cfb537bdb3dfd95f087ff8a08cb74d"}, {"url": "https://git.kernel.org/stable/c/8f7033aa4089fbaf7a33995f0f2ee6c9d7b9ca1b"}], "title": "io_uring/sqpoll: ensure task state is TASK_RUNNING when running task_work", "x_generator": {"engine": "bippy-9e1c9544281a"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DF445508-130D-47A0-8D0A-52A2212A1B17", "versionEndExcluding": "6.11.5", "versionStartIncluding": "6.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/sqpoll: ensure task state is TASK_RUNNING when running task_work\n\nWhen the sqpoll is exiting and cancels pending work items, it may need\nto run task_work. If this happens from within io_uring_cancel_generic(),\nthen it may be under waiting for the io_uring_task waitqueue. This\nresults in the below splat from the scheduler, as the ring mutex may be\nattempted grabbed while in a TASK_INTERRUPTIBLE state.\n\nEnsure that the task state is set appropriately for that, just like what\nis done for the other cases in io_run_task_work().\n\ndo not call blocking ops when !TASK_RUNNING; state=1 set at [<0000000029387fd2>] prepare_to_wait+0x88/0x2fc\nWARNING: CPU: 6 PID: 59939 at kernel/sched/core.c:8561 __might_sleep+0xf4/0x140\nModules linked in:\nCPU: 6 UID: 0 PID: 59939 Comm: iou-sqp-59938 Not tainted 6.12.0-rc3-00113-g8d020023b155 #7456\nHardware name: linux,dummy-virt (DT)\npstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\npc : __might_sleep+0xf4/0x140\nlr : __might_sleep+0xf4/0x140\nsp : ffff80008c5e7830\nx29: ffff80008c5e7830 x28: ffff0000d93088c0 x27: ffff60001c2d7230\nx26: dfff800000000000 x25: ffff0000e16b9180 x24: ffff80008c5e7a50\nx23: 1ffff000118bcf4a x22: ffff0000e16b9180 x21: ffff0000e16b9180\nx20: 000000000000011b x19: ffff80008310fac0 x18: 1ffff000118bcd90\nx17: 30303c5b20746120 x16: 74657320313d6574 x15: 0720072007200720\nx14: 0720072007200720 x13: 0720072007200720 x12: ffff600036c64f0b\nx11: 1fffe00036c64f0a x10: ffff600036c64f0a x9 : dfff800000000000\nx8 : 00009fffc939b0f6 x7 : ffff0001b6327853 x6 : 0000000000000001\nx5 : ffff0001b6327850 x4 : ffff600036c64f0b x3 : ffff8000803c35bc\nx2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000e16b9180\nCall trace:\n __might_sleep+0xf4/0x140\n mutex_lock+0x84/0x124\n io_handle_tw_list+0xf4/0x260\n tctx_task_work_run+0x94/0x340\n io_run_task_work+0x1ec/0x3c0\n io_uring_cancel_generic+0x364/0x524\n io_sq_thread+0x820/0x124c\n ret_from_fork+0x10/0x20"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: io_uring/sqpoll: asegurarse de que el estado de la tarea sea TASK_RUNNING al ejecutar task_work Cuando sqpoll sale y cancela elementos de trabajo pendientes, es posible que deba ejecutar task_work. Si esto sucede desde dentro de io_uring_cancel_generic(), es posible que est\u00e9 esperando la cola de espera de io_uring_task. Esto da como resultado el siguiente splat del programador, ya que se puede intentar capturar el mutex de anillo mientras se est\u00e1 en un estado TASK_INTERRUPTIBLE. Aseg\u00farese de que el estado de la tarea est\u00e9 configurado adecuadamente para eso, al igual que lo que se hace para los otros casos en io_run_task_work(). no llame a operaciones de bloqueo cuando !TASK_RUNNING; estado=1 establecido en [&lt;0000000029387fd2&gt;] prepare_to_wait+0x88/0x2fc ADVERTENCIA: CPU: 6 PID: 59939 en kernel/sched/core.c:8561 __might_sleep+0xf4/0x140 M\u00f3dulos vinculados: CPU: 6 UID: 0 PID: 59939 Comm: iou-sqp-59938 No contaminado 6.12.0-rc3-00113-g8d020023b155 #7456 Nombre del hardware: linux,dummy-virt (DT) pstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : __might_sleep+0xf4/0x140 lr : __might_sleep+0xf4/0x140 sp : ffff80008c5e7830 x29: ffff80008c5e7830 x28: ffff0000d93088c0 x27: ffff60001c2d7230 x26: dfff800000000000 x25: ffff0000e16b9180 x24: ffff80008c5e7a50 x23: 1ffff000118bcf4a x22: ffff0000e16b9180 x21: ffff0000e16b9180 x20: 000000000000011b x19: ffff80008310fac0 x18: 1ffff000118bcd90 x17: 30303c5b20746120 x16: 74657320313d6574 x15: 0720072007200720 x14: 0720072007200720 x13: 0720072007200720 x12: ffff600036c64f0b x11: 1fffe00036c64f0a x10: ffff600036c64f0a x9: dfff800000000000 x8: 00009fffc939b0f6 x7: ffff0001b6327853 x6 : 0000000000000001 x5 : ffff0001b6327850 x4 : ffff600036c64f0b x3 : ffff8000803c35bc x2 : 000000000000000 x1 : 0000000000000000 x0 : ffff0000e16b9180 Rastreo de llamadas: __might_sleep+0xf4/0x140 mutex_lock+0x84/0x124 io_handle_tw_list+0xf4/0x260 tctx_task_work_run+0x94/0x340 io_run_task_work+0x1ec/0x3c0 io_uring_cancel_generic+0x364/0x524 io_sq_thread+0x820/0x124c ret_from_fork+0x10/0x20"}], "id": "CVE-2024-50079", "lastModified": "2024-10-30T17:05:40.960", "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"}]}, "published": "2024-10-29T01:15:04.927", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/887ba598d9cfb537bdb3dfd95f087ff8a08cb74d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8f7033aa4089fbaf7a33995f0f2ee6c9d7b9ca1b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: io_uring/sqpoll: ensure task state is TASK_RUNNING when running task_work", "id": "2322306", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2322306"}, "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": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nio_uring/sqpoll: ensure task state is TASK_RUNNING when running task_work\nWhen the sqpoll is exiting and cancels pending work items, it may need\nto run task_work. If this happens from within io_uring_cancel_generic(),\nthen it may be under waiting for the io_uring_task waitqueue. This\nresults in the below splat from the scheduler, as the ring mutex may be\nattempted grabbed while in a TASK_INTERRUPTIBLE state.\nEnsure that the task state is set appropriately for that, just like what\nis done for the other cases in io_run_task_work().\ndo not call blocking ops when !TASK_RUNNING; state=1 set at [<0000000029387fd2>] prepare_to_wait+0x88/0x2fc\nWARNING: CPU: 6 PID: 59939 at kernel/sched/core.c:8561 __might_sleep+0xf4/0x140\nModules linked in:\nCPU: 6 UID: 0 PID: 59939 Comm: iou-sqp-59938 Not tainted 6.12.0-rc3-00113-g8d020023b155 #7456\nHardware name: linux,dummy-virt (DT)\npstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\npc : __might_sleep+0xf4/0x140\nlr : __might_sleep+0xf4/0x140\nsp : ffff80008c5e7830\nx29: ffff80008c5e7830 x28: ffff0000d93088c0 x27: ffff60001c2d7230\nx26: dfff800000000000 x25: ffff0000e16b9180 x24: ffff80008c5e7a50\nx23: 1ffff000118bcf4a x22: ffff0000e16b9180 x21: ffff0000e16b9180\nx20: 000000000000011b x19: ffff80008310fac0 x18: 1ffff000118bcd90\nx17: 30303c5b20746120 x16: 74657320313d6574 x15: 0720072007200720\nx14: 0720072007200720 x13: 0720072007200720 x12: ffff600036c64f0b\nx11: 1fffe00036c64f0a x10: ffff600036c64f0a x9 : dfff800000000000\nx8 : 00009fffc939b0f6 x7 : ffff0001b6327853 x6 : 0000000000000001\nx5 : ffff0001b6327850 x4 : ffff600036c64f0b x3 : ffff8000803c35bc\nx2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000e16b9180\nCall trace:\n__might_sleep+0xf4/0x140\nmutex_lock+0x84/0x124\nio_handle_tw_list+0xf4/0x260\ntctx_task_work_run+0x94/0x340\nio_run_task_work+0x1ec/0x3c0\nio_uring_cancel_generic+0x364/0x524\nio_sq_thread+0x820/0x124c\nret_from_fork+0x10/0x20"], "name": "CVE-2024-50079", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50079\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50079\nhttps://lore.kernel.org/linux-cve-announce/2024102936-CVE-2024-50079-47af@gregkh/T"], "threat_severity": "Moderate"}