CVE-2021-47212
Vulnerability from cvelistv5
Published
2024-04-10 19:01
Modified
2024-11-04 12:01
Severity ?
Summary
net/mlx5: Update error handler for UCTX and UMEM
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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                "id": "CVE-2021-47212",
                "options": [
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                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-06-17T18:03:48.572043Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:32:07.274Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48"
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            "url": "https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699"
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        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "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": [
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              "lessThan": "a51a6da375d8",
              "status": "affected",
              "version": "6a6fabbfa3e8",
              "versionType": "git"
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            {
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              "status": "affected",
              "version": "6a6fabbfa3e8",
              "versionType": "git"
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        {
          "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"
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      ],
      "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 \u003c48\u003e 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 ]---"
        }
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      "providerMetadata": {
        "dateUpdated": "2024-11-04T12:01:36.966Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48"
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        {
          "url": "https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699"
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      "title": "net/mlx5: Update error handler for UCTX and UMEM",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47212",
    "datePublished": "2024-04-10T19:01:53.270Z",
    "dateReserved": "2024-04-10T18:59:19.527Z",
    "dateUpdated": "2024-11-04T12:01:36.966Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47212\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-10T19:15:48.597\",\"lastModified\":\"2024-04-10T19:49:51.183\",\"vulnStatus\":\"Awaiting Analysis\",\"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 \u003c48\u003e 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 ]---\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/a51a6da375d82aed5c8f83abd13e7d060421bd48\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ba50cd9451f6c49cf0841c0a4a146ff6a2822699\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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