{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-42294", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-30T07:40:12.269Z", "datePublished": "2024-08-17T09:09:02.984Z", "dateUpdated": "2024-09-15T17:53:02.063Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-09-15T17:53:02.063Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix deadlock between sd_remove & sd_release\n\nOur test report the following hung task:\n\n[ 2538.459400] INFO: task \"kworker/0:0\":7 blocked for more than 188 seconds.\n[ 2538.459427] Call trace:\n[ 2538.459430] __switch_to+0x174/0x338\n[ 2538.459436] __schedule+0x628/0x9c4\n[ 2538.459442] schedule+0x7c/0xe8\n[ 2538.459447] schedule_preempt_disabled+0x24/0x40\n[ 2538.459453] __mutex_lock+0x3ec/0xf04\n[ 2538.459456] __mutex_lock_slowpath+0x14/0x24\n[ 2538.459459] mutex_lock+0x30/0xd8\n[ 2538.459462] del_gendisk+0xdc/0x350\n[ 2538.459466] sd_remove+0x30/0x60\n[ 2538.459470] device_release_driver_internal+0x1c4/0x2c4\n[ 2538.459474] device_release_driver+0x18/0x28\n[ 2538.459478] bus_remove_device+0x15c/0x174\n[ 2538.459483] device_del+0x1d0/0x358\n[ 2538.459488] __scsi_remove_device+0xa8/0x198\n[ 2538.459493] scsi_forget_host+0x50/0x70\n[ 2538.459497] scsi_remove_host+0x80/0x180\n[ 2538.459502] usb_stor_disconnect+0x68/0xf4\n[ 2538.459506] usb_unbind_interface+0xd4/0x280\n[ 2538.459510] device_release_driver_internal+0x1c4/0x2c4\n[ 2538.459514] device_release_driver+0x18/0x28\n[ 2538.459518] bus_remove_device+0x15c/0x174\n[ 2538.459523] device_del+0x1d0/0x358\n[ 2538.459528] usb_disable_device+0x84/0x194\n[ 2538.459532] usb_disconnect+0xec/0x300\n[ 2538.459537] hub_event+0xb80/0x1870\n[ 2538.459541] process_scheduled_works+0x248/0x4dc\n[ 2538.459545] worker_thread+0x244/0x334\n[ 2538.459549] kthread+0x114/0x1bc\n\n[ 2538.461001] INFO: task \"fsck.\":15415 blocked for more than 188 seconds.\n[ 2538.461014] Call trace:\n[ 2538.461016] __switch_to+0x174/0x338\n[ 2538.461021] __schedule+0x628/0x9c4\n[ 2538.461025] schedule+0x7c/0xe8\n[ 2538.461030] blk_queue_enter+0xc4/0x160\n[ 2538.461034] blk_mq_alloc_request+0x120/0x1d4\n[ 2538.461037] scsi_execute_cmd+0x7c/0x23c\n[ 2538.461040] ioctl_internal_command+0x5c/0x164\n[ 2538.461046] scsi_set_medium_removal+0x5c/0xb0\n[ 2538.461051] sd_release+0x50/0x94\n[ 2538.461054] blkdev_put+0x190/0x28c\n[ 2538.461058] blkdev_release+0x28/0x40\n[ 2538.461063] __fput+0xf8/0x2a8\n[ 2538.461066] __fput_sync+0x28/0x5c\n[ 2538.461070] __arm64_sys_close+0x84/0xe8\n[ 2538.461073] invoke_syscall+0x58/0x114\n[ 2538.461078] el0_svc_common+0xac/0xe0\n[ 2538.461082] do_el0_svc+0x1c/0x28\n[ 2538.461087] el0_svc+0x38/0x68\n[ 2538.461090] el0t_64_sync_handler+0x68/0xbc\n[ 2538.461093] el0t_64_sync+0x1a8/0x1ac\n\n T1:\t\t\t\tT2:\n sd_remove\n del_gendisk\n __blk_mark_disk_dead\n blk_freeze_queue_start\n ++q->mq_freeze_depth\n \t\t\t\tbdev_release\n \t\t\t\tmutex_lock(&disk->open_mutex)\n \t\t\t\tsd_release\n \t\t\t\tscsi_execute_cmd\n \t\t\t\tblk_queue_enter\n \t\t\t\twait_event(!q->mq_freeze_depth)\n mutex_lock(&disk->open_mutex)\n\nSCSI does not set GD_OWNS_QUEUE, so QUEUE_FLAG_DYING is not set in\nthis scenario. This is a classic ABBA deadlock. To fix the deadlock,\nmake sure we don't try to acquire disk->open_mutex after freezing\nthe queue." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "block/genhd.c" ], "versions": [ { "version": "eec1be4c30df", "lessThan": "5a5625a83eac", "status": "affected", "versionType": "git" }, { "version": "eec1be4c30df", "lessThan": "f5418f48a93b", "status": "affected", "versionType": "git" }, { "version": "eec1be4c30df", "lessThan": "7e04da2dc701", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "block/genhd.c" ], "versions": [ { "version": "6.5", "status": "affected" }, { "version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.44", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10.3", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.11", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/5a5625a83eac91fdff1d5f0202ecfc45a31983c9" }, { "url": "https://git.kernel.org/stable/c/f5418f48a93b69ed9e6a2281eee06b412f14a544" }, { "url": "https://git.kernel.org/stable/c/7e04da2dc7013af50ed3a2beb698d5168d1e594b" } ], "title": "block: fix deadlock between sd_remove & sd_release", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-42294", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:10:53.890596Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T17:33:29.244Z" } } ] } }