{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49986", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.386Z", "datePublished": "2025-06-18T11:00:47.985Z", "dateUpdated": "2025-06-18T11:00:47.985Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T11:00:47.985Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq\n\nstorvsc_error_wq workqueue should not be marked as WQ_MEM_RECLAIM as it\ndoesn't need to make forward progress under memory pressure. Marking this\nworkqueue as WQ_MEM_RECLAIM may cause deadlock while flushing a\nnon-WQ_MEM_RECLAIM workqueue. In the current state it causes the following\nwarning:\n\n[ 14.506347] ------------[ cut here ]------------\n[ 14.506354] workqueue: WQ_MEM_RECLAIM storvsc_error_wq_0:storvsc_remove_lun is flushing !WQ_MEM_RECLAIM events_freezable_power_:disk_events_workfn\n[ 14.506360] WARNING: CPU: 0 PID: 8 at <-snip->kernel/workqueue.c:2623 check_flush_dependency+0xb5/0x130\n[ 14.506390] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.4.0-1086-azure #91~18.04.1-Ubuntu\n[ 14.506391] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 05/09/2022\n[ 14.506393] Workqueue: storvsc_error_wq_0 storvsc_remove_lun\n[ 14.506395] RIP: 0010:check_flush_dependency+0xb5/0x130\n\t\t<-snip->\n[ 14.506408] Call Trace:\n[ 14.506412] __flush_work+0xf1/0x1c0\n[ 14.506414] __cancel_work_timer+0x12f/0x1b0\n[ 14.506417] ? kernfs_put+0xf0/0x190\n[ 14.506418] cancel_delayed_work_sync+0x13/0x20\n[ 14.506420] disk_block_events+0x78/0x80\n[ 14.506421] del_gendisk+0x3d/0x2f0\n[ 14.506423] sr_remove+0x28/0x70\n[ 14.506427] device_release_driver_internal+0xef/0x1c0\n[ 14.506428] device_release_driver+0x12/0x20\n[ 14.506429] bus_remove_device+0xe1/0x150\n[ 14.506431] device_del+0x167/0x380\n[ 14.506432] __scsi_remove_device+0x11d/0x150\n[ 14.506433] scsi_remove_device+0x26/0x40\n[ 14.506434] storvsc_remove_lun+0x40/0x60\n[ 14.506436] process_one_work+0x209/0x400\n[ 14.506437] worker_thread+0x34/0x400\n[ 14.506439] kthread+0x121/0x140\n[ 14.506440] ? process_one_work+0x400/0x400\n[ 14.506441] ? kthread_park+0x90/0x90\n[ 14.506443] ret_from_fork+0x35/0x40\n[ 14.506445] ---[ end trace 2d9633159fdc6ee7 ]---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/scsi/storvsc_drv.c"], "versions": [{"version": "436ad941335386c5fc7faa915a8fbdfe8c908084", "lessThan": "b692c238ddfa61f00d97c4c1f021425d132ba96f", "status": "affected", "versionType": "git"}, {"version": "436ad941335386c5fc7faa915a8fbdfe8c908084", "lessThan": "b4c928ace9a123629eeb14ec5d7ee8f73e5ac668", "status": "affected", "versionType": "git"}, {"version": "436ad941335386c5fc7faa915a8fbdfe8c908084", "lessThan": "46fcb0fc884db78a0384be92cc2a51927e6581b8", "status": "affected", "versionType": "git"}, {"version": "436ad941335386c5fc7faa915a8fbdfe8c908084", "lessThan": "cd2a50d0a097a42b6de283377da98ff757505120", "status": "affected", "versionType": "git"}, {"version": "436ad941335386c5fc7faa915a8fbdfe8c908084", "lessThan": "828f57ac75eaccd6607ee4d1468d34e983e32c68", "status": "affected", "versionType": "git"}, {"version": "436ad941335386c5fc7faa915a8fbdfe8c908084", "lessThan": "d957e7ffb2c72410bcc1a514153a46719255a5da", "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/scsi/storvsc_drv.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.257", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.212", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.140", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.64", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.6", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "4.15", "versionEndExcluding": "4.19.257"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.4.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.10.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.15.64"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b692c238ddfa61f00d97c4c1f021425d132ba96f"}, {"url": "https://git.kernel.org/stable/c/b4c928ace9a123629eeb14ec5d7ee8f73e5ac668"}, {"url": "https://git.kernel.org/stable/c/46fcb0fc884db78a0384be92cc2a51927e6581b8"}, {"url": "https://git.kernel.org/stable/c/cd2a50d0a097a42b6de283377da98ff757505120"}, {"url": "https://git.kernel.org/stable/c/828f57ac75eaccd6607ee4d1468d34e983e32c68"}, {"url": "https://git.kernel.org/stable/c/d957e7ffb2c72410bcc1a514153a46719255a5da"}], "title": "scsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "379F570B-8101-4252-AE1C-B802D441D9B4", "versionEndExcluding": "4.19.257", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BEFFBCD7-9B53-46AB-B3FD-53EAD80FD3E1", "versionEndExcluding": "5.4.212", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A26216A8-920B-4892-A1EB-143451AFFC31", "versionEndExcluding": "5.10.140", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "292F3687-ADC2-4F3D-9710-3BCAD11A52BE", "versionEndExcluding": "5.15.64", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "89E99903-E16D-475D-954B-2BAC46C98262", "versionEndExcluding": "5.19.6", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "5F0AD220-F6A9-4012-8636-155F1B841FAD", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq\n\nstorvsc_error_wq workqueue should not be marked as WQ_MEM_RECLAIM as it\ndoesn't need to make forward progress under memory pressure. Marking this\nworkqueue as WQ_MEM_RECLAIM may cause deadlock while flushing a\nnon-WQ_MEM_RECLAIM workqueue. In the current state it causes the following\nwarning:\n\n[ 14.506347] ------------[ cut here ]------------\n[ 14.506354] workqueue: WQ_MEM_RECLAIM storvsc_error_wq_0:storvsc_remove_lun is flushing !WQ_MEM_RECLAIM events_freezable_power_:disk_events_workfn\n[ 14.506360] WARNING: CPU: 0 PID: 8 at <-snip->kernel/workqueue.c:2623 check_flush_dependency+0xb5/0x130\n[ 14.506390] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.4.0-1086-azure #91~18.04.1-Ubuntu\n[ 14.506391] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 05/09/2022\n[ 14.506393] Workqueue: storvsc_error_wq_0 storvsc_remove_lun\n[ 14.506395] RIP: 0010:check_flush_dependency+0xb5/0x130\n\t\t<-snip->\n[ 14.506408] Call Trace:\n[ 14.506412] __flush_work+0xf1/0x1c0\n[ 14.506414] __cancel_work_timer+0x12f/0x1b0\n[ 14.506417] ? kernfs_put+0xf0/0x190\n[ 14.506418] cancel_delayed_work_sync+0x13/0x20\n[ 14.506420] disk_block_events+0x78/0x80\n[ 14.506421] del_gendisk+0x3d/0x2f0\n[ 14.506423] sr_remove+0x28/0x70\n[ 14.506427] device_release_driver_internal+0xef/0x1c0\n[ 14.506428] device_release_driver+0x12/0x20\n[ 14.506429] bus_remove_device+0xe1/0x150\n[ 14.506431] device_del+0x167/0x380\n[ 14.506432] __scsi_remove_device+0x11d/0x150\n[ 14.506433] scsi_remove_device+0x26/0x40\n[ 14.506434] storvsc_remove_lun+0x40/0x60\n[ 14.506436] process_one_work+0x209/0x400\n[ 14.506437] worker_thread+0x34/0x400\n[ 14.506439] kthread+0x121/0x140\n[ 14.506440] ? process_one_work+0x400/0x400\n[ 14.506441] ? kthread_park+0x90/0x90\n[ 14.506443] ret_from_fork+0x35/0x40\n[ 14.506445] ---[ end trace 2d9633159fdc6ee7 ]---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: storvsc: Eliminar WQ_MEM_RECLAIM de storvsc_error_wq. La cola de trabajo storvsc_error_wq no debe marcarse como WQ_MEM_RECLAIM, ya que no necesita avanzar bajo presi\u00f3n de memoria. Marcar esta cola de trabajo como WQ_MEM_RECLAIM puede causar un bloqueo al vaciar una cola de trabajo que no sea WQ_MEM_RECLAIM. En el estado actual, provoca la siguiente advertencia: [ 14.506347] ------------[ cortar aqu\u00ed ]------------ [ 14.506354] cola de trabajo: WQ_MEM_RECLAIM storvsc_error_wq_0:storvsc_remove_lun se est\u00e1 vaciando !WQ_MEM_RECLAIM events_freezable_power_:disk_events_workfn [ 14.506360] ADVERTENCIA: CPU: 0 PID: 8 en &lt;-snip-&gt;kernel/workqueue.c:2623 check_flush_dependency+0xb5/0x130 [ 14.506390] CPU: 0 PID: 8 Comm: kworker/u4:0 No contaminado 5.4.0-1086-azure #91~18.04.1-Ubuntu [ 14.506391] Nombre del hardware: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI versi\u00f3n v4.1 09/05/2022 [ 14.506393] Cola de trabajo: storvsc_error_wq_0 storvsc_remove_lun [ 14.506395] RIP: 0010:check_flush_dependency+0xb5/0x130 &lt;-snip-&gt; [ 14.506408] Seguimiento de llamadas: [ 14.506412] __flush_work+0xf1/0x1c0 [ 14.506414] __cancel_work_timer+0x12f/0x1b0 [ 14.506417] ? kernfs_put+0xf0/0x190 [ 14.506418] cancel_delayed_work_sync+0x13/0x20 [ 14.506420] disk_block_events+0x78/0x80 [ 14.506421] del_gendisk+0x3d/0x2f0 [ 14.506423] sr_remove+0x28/0x70 [ 14.506427] device_release_driver_internal+0xef/0x1c0 [ 14.506428] device_release_driver+0x12/0x20 [ 14.506429] bus_remove_device+0xe1/0x150 [ 14.506431] device_del+0x167/0x380 [ 14.506432] __scsi_remove_device+0x11d/0x150 [ 14.506433] scsi_remove_device+0x26/0x40 [ 14.506434] storvsc_remove_lun+0x40/0x60 [ 14.506436] process_one_work+0x209/0x400 [ 14.506437] worker_thread+0x34/0x400 [ 14.506439] kthread+0x121/0x140 [ 14.506440] ? process_one_work+0x400/0x400 [ 14.506441] ? kthread_park+0x90/0x90 [ 14.506443] ret_from_fork+0x35/0x40 [ 14.506445] ---[ fin de seguimiento 2d9633159fdc6ee7 ]---"}], "id": "CVE-2022-49986", "lastModified": "2025-11-14T18:13:45.717", "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": "2025-06-18T11:15:26.183", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/46fcb0fc884db78a0384be92cc2a51927e6581b8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/828f57ac75eaccd6607ee4d1468d34e983e32c68"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b4c928ace9a123629eeb14ec5d7ee8f73e5ac668"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b692c238ddfa61f00d97c4c1f021425d132ba96f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cd2a50d0a097a42b6de283377da98ff757505120"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d957e7ffb2c72410bcc1a514153a46719255a5da"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: scsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq", "id": "2373671", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373671"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nscsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq\nstorvsc_error_wq workqueue should not be marked as WQ_MEM_RECLAIM as it\ndoesn't need to make forward progress under memory pressure. Marking this\nworkqueue as WQ_MEM_RECLAIM may cause deadlock while flushing a\nnon-WQ_MEM_RECLAIM workqueue. In the current state it causes the following\nwarning:\n[ 14.506347] ------------[ cut here ]------------\n[ 14.506354] workqueue: WQ_MEM_RECLAIM storvsc_error_wq_0:storvsc_remove_lun is flushing !WQ_MEM_RECLAIM events_freezable_power_:disk_events_workfn\n[ 14.506360] WARNING: CPU: 0 PID: 8 at <-snip->kernel/workqueue.c:2623 check_flush_dependency+0xb5/0x130\n[ 14.506390] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.4.0-1086-azure #91~18.04.1-Ubuntu\n[ 14.506391] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 05/09/2022\n[ 14.506393] Workqueue: storvsc_error_wq_0 storvsc_remove_lun\n[ 14.506395] RIP: 0010:check_flush_dependency+0xb5/0x130\n<-snip->\n[ 14.506408] Call Trace:\n[ 14.506412] __flush_work+0xf1/0x1c0\n[ 14.506414] __cancel_work_timer+0x12f/0x1b0\n[ 14.506417] ? kernfs_put+0xf0/0x190\n[ 14.506418] cancel_delayed_work_sync+0x13/0x20\n[ 14.506420] disk_block_events+0x78/0x80\n[ 14.506421] del_gendisk+0x3d/0x2f0\n[ 14.506423] sr_remove+0x28/0x70\n[ 14.506427] device_release_driver_internal+0xef/0x1c0\n[ 14.506428] device_release_driver+0x12/0x20\n[ 14.506429] bus_remove_device+0xe1/0x150\n[ 14.506431] device_del+0x167/0x380\n[ 14.506432] __scsi_remove_device+0x11d/0x150\n[ 14.506433] scsi_remove_device+0x26/0x40\n[ 14.506434] storvsc_remove_lun+0x40/0x60\n[ 14.506436] process_one_work+0x209/0x400\n[ 14.506437] worker_thread+0x34/0x400\n[ 14.506439] kthread+0x121/0x140\n[ 14.506440] ? process_one_work+0x400/0x400\n[ 14.506441] ? kthread_park+0x90/0x90\n[ 14.506443] ret_from_fork+0x35/0x40\n[ 14.506445] ---[ end trace 2d9633159fdc6ee7 ]---"], "name": "CVE-2022-49986", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49986\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49986\nhttps://lore.kernel.org/linux-cve-announce/2025061823-CVE-2022-49986-d434@gregkh/T"], "threat_severity": "Moderate"}

{}