CVE-2021-47212

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-47212", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-04-10T18:59:19.527Z", "datePublished": "2024-04-10T19:01:53.270Z", "dateUpdated": "2026-05-11T13:50:10.089Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:50:10.089Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Update error handler for UCTX and UMEM\n\nIn the fast unload flow, the device state is set to internal error,\nwhich indicates that the driver started the destroy process.\nIn this case, when a destroy command is being executed, it should return\nMLX5_CMD_STAT_OK.\nFix MLX5_CMD_OP_DESTROY_UCTX and MLX5_CMD_OP_DESTROY_UMEM to return OK\ninstead of EIO.\n\nThis fixes a call trace in the umem release process -\n[ 2633.536695] Call Trace:\n[ 2633.537518] ib_uverbs_remove_one+0xc3/0x140 [ib_uverbs]\n[ 2633.538596] remove_client_context+0x8b/0xd0 [ib_core]\n[ 2633.539641] disable_device+0x8c/0x130 [ib_core]\n[ 2633.540615] __ib_unregister_device+0x35/0xa0 [ib_core]\n[ 2633.541640] ib_unregister_device+0x21/0x30 [ib_core]\n[ 2633.542663] __mlx5_ib_remove+0x38/0x90 [mlx5_ib]\n[ 2633.543640] auxiliary_bus_remove+0x1e/0x30 [auxiliary]\n[ 2633.544661] device_release_driver_internal+0x103/0x1f0\n[ 2633.545679] bus_remove_device+0xf7/0x170\n[ 2633.546640] device_del+0x181/0x410\n[ 2633.547606] mlx5_rescan_drivers_locked.part.10+0x63/0x160 [mlx5_core]\n[ 2633.548777] mlx5_unregister_device+0x27/0x40 [mlx5_core]\n[ 2633.549841] mlx5_uninit_one+0x21/0xc0 [mlx5_core]\n[ 2633.550864] remove_one+0x69/0xe0 [mlx5_core]\n[ 2633.551819] pci_device_remove+0x3b/0xc0\n[ 2633.552731] device_release_driver_internal+0x103/0x1f0\n[ 2633.553746] unbind_store+0xf6/0x130\n[ 2633.554657] kernfs_fop_write+0x116/0x190\n[ 2633.555567] vfs_write+0xa5/0x1a0\n[ 2633.556407] ksys_write+0x4f/0xb0\n[ 2633.557233] do_syscall_64+0x5b/0x1a0\n[ 2633.558071] entry_SYSCALL_64_after_hwframe+0x65/0xca\n[ 2633.559018] RIP: 0033:0x7f9977132648\n[ 2633.559821] Code: 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 55 6f 2d 00 8b 00 85 c0 75 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 49 89 d4 55\n[ 2633.562332] RSP: 002b:00007fffb1a83888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\n[ 2633.563472] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9977132648\n[ 2633.564541] RDX: 000000000000000c RSI: 000055b90546e230 RDI: 0000000000000001\n[ 2633.565596] RBP: 000055b90546e230 R08: 00007f9977406860 R09: 00007f9977a54740\n[ 2633.566653] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99774056e0\n[ 2633.567692] R13: 000000000000000c R14: 00007f9977400880 R15: 000000000000000c\n[ 2633.568725] ---[ end trace 10b4fe52945e544d ]---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/cmd.c"], "versions": [{"version": "6a6fabbfa3e8c656ff906ae999fb6856410fa4cd", "lessThan": "a51a6da375d82aed5c8f83abd13e7d060421bd48", "status": "affected", "versionType": "git"}, {"version": "6a6fabbfa3e8c656ff906ae999fb6856410fa4cd", "lessThan": "ba50cd9451f6c49cf0841c0a4a146ff6a2822699", "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/net/ethernet/mellanox/mlx5/core/cmd.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.5", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16", "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": "5.2", "versionEndExcluding": "5.15.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48"}, {"url": "https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699"}], "title": "net/mlx5: Update error handler for UCTX and UMEM", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-17T18:03:48.572043Z", "id": "CVE-2021-47212", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T18:04:44.861Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:07.274Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:07.274Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47212", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-17T18:03:48.572043Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T18:03:49.584Z"}}], "cna": {"title": "net/mlx5: Update error handler for UCTX and UMEM", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6a6fabbfa3e8c656ff906ae999fb6856410fa4cd", "lessThan": "a51a6da375d82aed5c8f83abd13e7d060421bd48", "versionType": "git"}, {"status": "affected", "version": "6a6fabbfa3e8c656ff906ae999fb6856410fa4cd", "lessThan": "ba50cd9451f6c49cf0841c0a4a146ff6a2822699", "versionType": "git"}], "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/cmd.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.2"}, {"status": "unaffected", "version": "0", "lessThan": "5.2", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.5", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/cmd.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48"}, {"url": "https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Update error handler for UCTX and UMEM\n\nIn the fast unload flow, the device state is set to internal error,\nwhich indicates that the driver started the destroy process.\nIn this case, when a destroy command is being executed, it should return\nMLX5_CMD_STAT_OK.\nFix MLX5_CMD_OP_DESTROY_UCTX and MLX5_CMD_OP_DESTROY_UMEM to return OK\ninstead of EIO.\n\nThis fixes a call trace in the umem release process -\n[ 2633.536695] Call Trace:\n[ 2633.537518] ib_uverbs_remove_one+0xc3/0x140 [ib_uverbs]\n[ 2633.538596] remove_client_context+0x8b/0xd0 [ib_core]\n[ 2633.539641] disable_device+0x8c/0x130 [ib_core]\n[ 2633.540615] __ib_unregister_device+0x35/0xa0 [ib_core]\n[ 2633.541640] ib_unregister_device+0x21/0x30 [ib_core]\n[ 2633.542663] __mlx5_ib_remove+0x38/0x90 [mlx5_ib]\n[ 2633.543640] auxiliary_bus_remove+0x1e/0x30 [auxiliary]\n[ 2633.544661] device_release_driver_internal+0x103/0x1f0\n[ 2633.545679] bus_remove_device+0xf7/0x170\n[ 2633.546640] device_del+0x181/0x410\n[ 2633.547606] mlx5_rescan_drivers_locked.part.10+0x63/0x160 [mlx5_core]\n[ 2633.548777] mlx5_unregister_device+0x27/0x40 [mlx5_core]\n[ 2633.549841] mlx5_uninit_one+0x21/0xc0 [mlx5_core]\n[ 2633.550864] remove_one+0x69/0xe0 [mlx5_core]\n[ 2633.551819] pci_device_remove+0x3b/0xc0\n[ 2633.552731] device_release_driver_internal+0x103/0x1f0\n[ 2633.553746] unbind_store+0xf6/0x130\n[ 2633.554657] kernfs_fop_write+0x116/0x190\n[ 2633.555567] vfs_write+0xa5/0x1a0\n[ 2633.556407] ksys_write+0x4f/0xb0\n[ 2633.557233] do_syscall_64+0x5b/0x1a0\n[ 2633.558071] entry_SYSCALL_64_after_hwframe+0x65/0xca\n[ 2633.559018] RIP: 0033:0x7f9977132648\n[ 2633.559821] Code: 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 55 6f 2d 00 8b 00 85 c0 75 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 49 89 d4 55\n[ 2633.562332] RSP: 002b:00007fffb1a83888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\n[ 2633.563472] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9977132648\n[ 2633.564541] RDX: 000000000000000c RSI: 000055b90546e230 RDI: 0000000000000001\n[ 2633.565596] RBP: 000055b90546e230 R08: 00007f9977406860 R09: 00007f9977a54740\n[ 2633.566653] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99774056e0\n[ 2633.567692] R13: 000000000000000c R14: 00007f9977400880 R15: 000000000000000c\n[ 2633.568725] ---[ end trace 10b4fe52945e544d ]---"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:37:31.388Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47212", "state": "PUBLISHED", "dateUpdated": "2024-12-19T07:37:31.388Z", "dateReserved": "2024-04-10T18:59:19.527Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-10T19:01:53.270Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/cmd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a51a6da375d82aed5c8f83abd13e7d060421bd48", "status": "affected", "version": "6a6fabbfa3e8c656ff906ae999fb6856410fa4cd", "versionType": "git"}, {"lessThan": "ba50cd9451f6c49cf0841c0a4a146ff6a2822699", "status": "affected", "version": "6a6fabbfa3e8c656ff906ae999fb6856410fa4cd", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/mellanox/mlx5/core/cmd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.2"}, {"lessThan": "5.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F77953F3-06B8-4DF3-8B46-B116AAD86BB2", "versionEndExcluding": "5.15.5", "versionStartIncluding": "5.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*", "matchCriteriaId": "357AA433-37E8-4323-BFB2-3038D6E4B414", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Update error handler for UCTX and UMEM\n\nIn the fast unload flow, the device state is set to internal error,\nwhich indicates that the driver started the destroy process.\nIn this case, when a destroy command is being executed, it should return\nMLX5_CMD_STAT_OK.\nFix MLX5_CMD_OP_DESTROY_UCTX and MLX5_CMD_OP_DESTROY_UMEM to return OK\ninstead of EIO.\n\nThis fixes a call trace in the umem release process -\n[ 2633.536695] Call Trace:\n[ 2633.537518] ib_uverbs_remove_one+0xc3/0x140 [ib_uverbs]\n[ 2633.538596] remove_client_context+0x8b/0xd0 [ib_core]\n[ 2633.539641] disable_device+0x8c/0x130 [ib_core]\n[ 2633.540615] __ib_unregister_device+0x35/0xa0 [ib_core]\n[ 2633.541640] ib_unregister_device+0x21/0x30 [ib_core]\n[ 2633.542663] __mlx5_ib_remove+0x38/0x90 [mlx5_ib]\n[ 2633.543640] auxiliary_bus_remove+0x1e/0x30 [auxiliary]\n[ 2633.544661] device_release_driver_internal+0x103/0x1f0\n[ 2633.545679] bus_remove_device+0xf7/0x170\n[ 2633.546640] device_del+0x181/0x410\n[ 2633.547606] mlx5_rescan_drivers_locked.part.10+0x63/0x160 [mlx5_core]\n[ 2633.548777] mlx5_unregister_device+0x27/0x40 [mlx5_core]\n[ 2633.549841] mlx5_uninit_one+0x21/0xc0 [mlx5_core]\n[ 2633.550864] remove_one+0x69/0xe0 [mlx5_core]\n[ 2633.551819] pci_device_remove+0x3b/0xc0\n[ 2633.552731] device_release_driver_internal+0x103/0x1f0\n[ 2633.553746] unbind_store+0xf6/0x130\n[ 2633.554657] kernfs_fop_write+0x116/0x190\n[ 2633.555567] vfs_write+0xa5/0x1a0\n[ 2633.556407] ksys_write+0x4f/0xb0\n[ 2633.557233] do_syscall_64+0x5b/0x1a0\n[ 2633.558071] entry_SYSCALL_64_after_hwframe+0x65/0xca\n[ 2633.559018] RIP: 0033:0x7f9977132648\n[ 2633.559821] Code: 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 55 6f 2d 00 8b 00 85 c0 75 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 49 89 d4 55\n[ 2633.562332] RSP: 002b:00007fffb1a83888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\n[ 2633.563472] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9977132648\n[ 2633.564541] RDX: 000000000000000c RSI: 000055b90546e230 RDI: 0000000000000001\n[ 2633.565596] RBP: 000055b90546e230 R08: 00007f9977406860 R09: 00007f9977a54740\n[ 2633.566653] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99774056e0\n[ 2633.567692] R13: 000000000000000c R14: 00007f9977400880 R15: 000000000000000c\n[ 2633.568725] ---[ end trace 10b4fe52945e544d ]---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: Actualizar el controlador de errores para UCTX y UMEM En el flujo de descarga r\u00e1pida, el estado del dispositivo se establece en error interno, lo que indica que el controlador inici\u00f3 el proceso de destrucci\u00f3n. En este caso, cuando se ejecuta un comando de destrucci\u00f3n, debe devolver MLX5_CMD_STAT_OK. Corrija MLX5_CMD_OP_DESTROY_UCTX y MLX5_CMD_OP_DESTROY_UMEM para que devuelvan OK en lugar de EIO. Esto corrige un seguimiento de llamadas en el proceso de lanzamiento de umem - [ 2633.536695] Seguimiento de llamadas: [ 2633.537518] ib_uverbs_remove_one+0xc3/0x140 [ib_uverbs] [ 2633.538596] remove_client_context+0x8b/0xd0 [ib_core] [ 2633.539641] deshabilitar_device+0x8c/0x130 [ib_core] [ 2633.540615] __ib_unregister_device+0x35/0xa0 [ib_core] [ 2633.541640] ib_unregister_device+0x21/0x30 [ib_core] [ 2633.542663] __mlx5_ib_remove+0x38/0x90 [mlx5_ib] [ 2633.543640] bus_auxiliar_eliminar+0x1e/0x30 [auxiliar] [ 2633.544661] dispositivo_liberaci\u00f3n_controlador_interno+0x103/0x1f0 [ 2633.545679] bus_eliminar_dispositivo+0xf7/0x170 [ 2633.546640] dispositivo_del+0x181/0x410 [ 2633.547606] mlx5_rescan_drivers_locked.part.10+0x63/0x160 [mlx5_core] [ 2633.548777] mlx5_anular_registro_dispositivo+0x27/0x40 [mlx5_core] [ 2633.549841] mlx5_uninit_one+0x21/0xc0 [mlx5_core] [ 2633.550864] remove_one+0x69/0xe0 [mlx5_core] [ 2633.551819] pci_device_remove+0x3b/0xc0 [ 2633.552731] device_release_driver_internal+0x103/0x1f0 [ 2633.553746] unbind_store+0xf6/0x130 [ 2633.554657] kernfs_fop_write+0x116/0x190 [ 2633.555567] vfs_write+0xa5/0x1a0 [ 2633.556407] ksys_write+0x4f/0xb0 [ 2633.557233] do_syscall_64+0x5b/0x1a0 [ 2633.558071] entry_SYSCALL_64_after_hwframe+0x65/0xca [ 2633.559018] RIP: 0033:0x7f9977132648 [ 2633.559821] C\u00f3digo: 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 55 6f 2d 00 8b 00 85 c0 75 17 b8 01 00 00 00 0f 05 &lt;48&gt; 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 49 89 d4 55 [ 2633.562332] RSP: 002b:00007fffb1a83888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 2633.563472] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9977132648 [ 2633.564541] RDX: 000000000000000c RSI: 000055b90546e230 RDI: 0000000000000001 [ 2633.565596] RBP: 000055b90546e230 R08: 00007f9977406860 R09: 00007f9977a54740 [ 2633.566653] R10: 000000000000000 R11: 0000000000000246 R12: 00007f99774056e0 [ 2633.567692] R13: 000000000000000c R14: 00007f9977400880 R15: 000000000000000c [ 2633.568725] ---[ fin de seguimiento 10b4fe52945e544d ]---"}], "id": "CVE-2021-47212", "lastModified": "2026-06-17T04:16:55.370", "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-2021-47212", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-17T18:03:48.572043Z", "version": "2.0.3"}}]}, "published": "2024-04-10T19:15:48.597", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699"}], "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: net/mlx5: Update error handler for UCTX and UMEM", "id": "2274574", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2274574"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/mlx5: Update error handler for UCTX and UMEM\nIn the fast unload flow, the device state is set to internal error,\nwhich indicates that the driver started the destroy process.\nIn this case, when a destroy command is being executed, it should return\nMLX5_CMD_STAT_OK.\nFix MLX5_CMD_OP_DESTROY_UCTX and MLX5_CMD_OP_DESTROY_UMEM to return OK\ninstead of EIO.\nThis fixes a call trace in the umem release process -\n[ 2633.536695] Call Trace:\n[ 2633.537518] ib_uverbs_remove_one+0xc3/0x140 [ib_uverbs]\n[ 2633.538596] remove_client_context+0x8b/0xd0 [ib_core]\n[ 2633.539641] disable_device+0x8c/0x130 [ib_core]\n[ 2633.540615] __ib_unregister_device+0x35/0xa0 [ib_core]\n[ 2633.541640] ib_unregister_device+0x21/0x30 [ib_core]\n[ 2633.542663] __mlx5_ib_remove+0x38/0x90 [mlx5_ib]\n[ 2633.543640] auxiliary_bus_remove+0x1e/0x30 [auxiliary]\n[ 2633.544661] device_release_driver_internal+0x103/0x1f0\n[ 2633.545679] bus_remove_device+0xf7/0x170\n[ 2633.546640] device_del+0x181/0x410\n[ 2633.547606] mlx5_rescan_drivers_locked.part.10+0x63/0x160 [mlx5_core]\n[ 2633.548777] mlx5_unregister_device+0x27/0x40 [mlx5_core]\n[ 2633.549841] mlx5_uninit_one+0x21/0xc0 [mlx5_core]\n[ 2633.550864] remove_one+0x69/0xe0 [mlx5_core]\n[ 2633.551819] pci_device_remove+0x3b/0xc0\n[ 2633.552731] device_release_driver_internal+0x103/0x1f0\n[ 2633.553746] unbind_store+0xf6/0x130\n[ 2633.554657] kernfs_fop_write+0x116/0x190\n[ 2633.555567] vfs_write+0xa5/0x1a0\n[ 2633.556407] ksys_write+0x4f/0xb0\n[ 2633.557233] do_syscall_64+0x5b/0x1a0\n[ 2633.558071] entry_SYSCALL_64_after_hwframe+0x65/0xca\n[ 2633.559018] RIP: 0033:0x7f9977132648\n[ 2633.559821] Code: 89 02 48 c7 c0 ff ff ff ff eb b3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 55 6f 2d 00 8b 00 85 c0 75 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 49 89 d4 55\n[ 2633.562332] RSP: 002b:00007fffb1a83888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\n[ 2633.563472] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9977132648\n[ 2633.564541] RDX: 000000000000000c RSI: 000055b90546e230 RDI: 0000000000000001\n[ 2633.565596] RBP: 000055b90546e230 R08: 00007f9977406860 R09: 00007f9977a54740\n[ 2633.566653] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99774056e0\n[ 2633.567692] R13: 000000000000000c R14: 00007f9977400880 R15: 000000000000000c\n[ 2633.568725] ---[ end trace 10b4fe52945e544d ]---", "A vulnerability was found in the Linux kernel, affecting the Mellanox MLX5 driver. This issue involves improper error handling in the UCTX (user context) and UMEM (user memory) operations. When the system executes a destroy command during a fast unload flow, it should return a success code (MLX5_CMD_STAT_OK), but in the affected versions, it incorrectly returned an error code (EIO), causing issues in releasing user memory and removing context in the system. This error handling flaw could lead to system instability during device removal or context destruction in the kernel's Infiniband stack."], "name": "CVE-2021-47212", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Will not fix", "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": "2024-04-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47212\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47212\nhttps://lore.kernel.org/linux-cve-announce/2024041005-CVE-2021-47212-01d8@gregkh/T"], "threat_severity": "Moderate"}

{}