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CVE-2022-50214 (GCVE-0-2022-50214)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:03 – Updated: 2026-05-11 19:15
VLAI
Title
coresight: Clear the connection field properly
Summary
In the Linux kernel, the following vulnerability has been resolved: coresight: Clear the connection field properly coresight devices track their connections (output connections) and hold a reference to the fwnode. When a device goes away, we walk through the devices on the coresight bus and make sure that the references are dropped. This happens both ways: a) For all output connections from the device, drop the reference to the target device via coresight_release_platform_data() b) Iterate over all the devices on the coresight bus and drop the reference to fwnode if *this* device is the target of the output connection, via coresight_remove_conns()->coresight_remove_match(). However, the coresight_remove_match() doesn't clear the fwnode field, after dropping the reference, this causes use-after-free and additional refcount drops on the fwnode. e.g., if we have two devices, A and B, with a connection, A -> B. If we remove B first, B would clear the reference on B, from A via coresight_remove_match(). But when A is removed, it still has a connection with fwnode still pointing to B. Thus it tries to drops the reference in coresight_release_platform_data(), raising the bells like : [ 91.990153] ------------[ cut here ]------------ [ 91.990163] refcount_t: addition on 0; use-after-free. [ 91.990212] WARNING: CPU: 0 PID: 461 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 91.990260] Modules linked in: coresight_funnel coresight_replicator coresight_etm4x(-) crct10dif_ce coresight ip_tables x_tables ipv6 [last unloaded: coresight_cpu_debug] [ 91.990398] CPU: 0 PID: 461 Comm: rmmod Tainted: G W T 5.19.0-rc2+ #53 [ 91.990418] Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform, BIOS EDK II Feb 1 2019 [ 91.990434] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 91.990454] pc : refcount_warn_saturate+0xa0/0x144 [ 91.990476] lr : refcount_warn_saturate+0xa0/0x144 [ 91.990496] sp : ffff80000c843640 [ 91.990509] x29: ffff80000c843640 x28: ffff800009957c28 x27: ffff80000c8439a8 [ 91.990560] x26: ffff00097eff1990 x25: ffff8000092b6ad8 x24: ffff00097eff19a8 [ 91.990610] x23: ffff80000c8439a8 x22: 0000000000000000 x21: ffff80000c8439c2 [ 91.990659] x20: 0000000000000000 x19: ffff00097eff1a10 x18: ffff80000ab99c40 [ 91.990708] x17: 0000000000000000 x16: 0000000000000000 x15: ffff80000abf6fa0 [ 91.990756] x14: 000000000000001d x13: 0a2e656572662d72 x12: 657466612d657375 [ 91.990805] x11: 203b30206e6f206e x10: 6f69746964646120 x9 : ffff8000081aba28 [ 91.990854] x8 : 206e6f206e6f6974 x7 : 69646461203a745f x6 : 746e756f63666572 [ 91.990903] x5 : ffff00097648ec58 x4 : 0000000000000000 x3 : 0000000000000027 [ 91.990952] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00080260ba00 [ 91.991000] Call trace: [ 91.991012] refcount_warn_saturate+0xa0/0x144 [ 91.991034] kobject_get+0xac/0xb0 [ 91.991055] of_node_get+0x2c/0x40 [ 91.991076] of_fwnode_get+0x40/0x60 [ 91.991094] fwnode_handle_get+0x3c/0x60 [ 91.991116] fwnode_get_nth_parent+0xf4/0x110 [ 91.991137] fwnode_full_name_string+0x48/0xc0 [ 91.991158] device_node_string+0x41c/0x530 [ 91.991178] pointer+0x320/0x3ec [ 91.991198] vsnprintf+0x23c/0x750 [ 91.991217] vprintk_store+0x104/0x4b0 [ 91.991238] vprintk_emit+0x8c/0x360 [ 91.991257] vprintk_default+0x44/0x50 [ 91.991276] vprintk+0xcc/0xf0 [ 91.991295] _printk+0x68/0x90 [ 91.991315] of_node_release+0x13c/0x14c [ 91.991334] kobject_put+0x98/0x114 [ 91.991354] of_node_put+0x24/0x34 [ 91.991372] of_fwnode_put+0x40/0x5c [ 91.991390] fwnode_handle_put+0x38/0x50 [ 91.991411] coresight_release_platform_data+0x74/0xb0 [coresight] [ 91.991472] coresight_unregister+0x64/0xcc [coresight] [ 91.991525] etm4_remove_dev+0x64/0x78 [coresight_etm4x] [ 91.991563] etm4_remove_amba+0x1c/0x2c [coresight_etm4x] [ 91.991598] amba_remove+0x3c/0x19c ---truncated---
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 37ea1ffddffa63c920ce826786fe610c78f57842 , < e9205d8dd1cafb7cff689ef9ddf06276a68f54a4 (git)
Affected: 37ea1ffddffa63c920ce826786fe610c78f57842 , < 847b9273dd61567fb77617eabc5fa002594db062 (git)
Affected: 37ea1ffddffa63c920ce826786fe610c78f57842 , < b49b29ee113a87997bcca0bb0585bb46582846c1 (git)
Affected: 37ea1ffddffa63c920ce826786fe610c78f57842 , < d43e967963c4d1b2b49f894d2f1b12865f87b098 (git)
Affected: 37ea1ffddffa63c920ce826786fe610c78f57842 , < bc57850fcb7e4cb91b6321d0ce83357cefd55c54 (git)
Affected: 37ea1ffddffa63c920ce826786fe610c78f57842 , < 2af89ebacf299b7fba5f3087d35e8a286ec33706 (git)
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Linux Linux Affected: 5.3
Unaffected: 0 , < 5.3 (semver)
Unaffected: 5.4.211 , ≤ 5.4.* (semver)
Unaffected: 5.10.137 , ≤ 5.10.* (semver)
Unaffected: 5.15.61 , ≤ 5.15.* (semver)
Unaffected: 5.18.18 , ≤ 5.18.* (semver)
Unaffected: 5.19.2 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/hwtracing/coresight/coresight-core.c"
          ],
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              "versionType": "git"
            }
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.3"
            },
            {
              "lessThan": "5.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.211",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.137",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.61",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.18.*",
              "status": "unaffected",
              "version": "5.18.18",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.211",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.137",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.61",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18.18",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.2",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: Clear the connection field properly\n\ncoresight devices track their connections (output connections) and\nhold a reference to the fwnode. When a device goes away, we walk through\nthe devices on the coresight bus and make sure that the references\nare dropped. This happens both ways:\n a) For all output connections from the device, drop the reference to\n    the target device via coresight_release_platform_data()\n\nb) Iterate over all the devices on the coresight bus and drop the\n   reference to fwnode if *this* device is the target of the output\n   connection, via coresight_remove_conns()-\u003ecoresight_remove_match().\n\nHowever, the coresight_remove_match() doesn\u0027t clear the fwnode field,\nafter dropping the reference, this causes use-after-free and\nadditional refcount drops on the fwnode.\n\ne.g., if we have two devices, A and B, with a connection, A -\u003e B.\nIf we remove B first, B would clear the reference on B, from A\nvia coresight_remove_match(). But when A is removed, it still has\na connection with fwnode still pointing to B. Thus it tries to  drops\nthe reference in coresight_release_platform_data(), raising the bells\nlike :\n\n[   91.990153] ------------[ cut here ]------------\n[   91.990163] refcount_t: addition on 0; use-after-free.\n[   91.990212] WARNING: CPU: 0 PID: 461 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144\n[   91.990260] Modules linked in: coresight_funnel coresight_replicator coresight_etm4x(-)\n crct10dif_ce coresight ip_tables x_tables ipv6 [last unloaded: coresight_cpu_debug]\n[   91.990398] CPU: 0 PID: 461 Comm: rmmod Tainted: G        W       T 5.19.0-rc2+ #53\n[   91.990418] Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform, BIOS EDK II Feb  1 2019\n[   91.990434] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[   91.990454] pc : refcount_warn_saturate+0xa0/0x144\n[   91.990476] lr : refcount_warn_saturate+0xa0/0x144\n[   91.990496] sp : ffff80000c843640\n[   91.990509] x29: ffff80000c843640 x28: ffff800009957c28 x27: ffff80000c8439a8\n[   91.990560] x26: ffff00097eff1990 x25: ffff8000092b6ad8 x24: ffff00097eff19a8\n[   91.990610] x23: ffff80000c8439a8 x22: 0000000000000000 x21: ffff80000c8439c2\n[   91.990659] x20: 0000000000000000 x19: ffff00097eff1a10 x18: ffff80000ab99c40\n[   91.990708] x17: 0000000000000000 x16: 0000000000000000 x15: ffff80000abf6fa0\n[   91.990756] x14: 000000000000001d x13: 0a2e656572662d72 x12: 657466612d657375\n[   91.990805] x11: 203b30206e6f206e x10: 6f69746964646120 x9 : ffff8000081aba28\n[   91.990854] x8 : 206e6f206e6f6974 x7 : 69646461203a745f x6 : 746e756f63666572\n[   91.990903] x5 : ffff00097648ec58 x4 : 0000000000000000 x3 : 0000000000000027\n[   91.990952] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00080260ba00\n[   91.991000] Call trace:\n[   91.991012]  refcount_warn_saturate+0xa0/0x144\n[   91.991034]  kobject_get+0xac/0xb0\n[   91.991055]  of_node_get+0x2c/0x40\n[   91.991076]  of_fwnode_get+0x40/0x60\n[   91.991094]  fwnode_handle_get+0x3c/0x60\n[   91.991116]  fwnode_get_nth_parent+0xf4/0x110\n[   91.991137]  fwnode_full_name_string+0x48/0xc0\n[   91.991158]  device_node_string+0x41c/0x530\n[   91.991178]  pointer+0x320/0x3ec\n[   91.991198]  vsnprintf+0x23c/0x750\n[   91.991217]  vprintk_store+0x104/0x4b0\n[   91.991238]  vprintk_emit+0x8c/0x360\n[   91.991257]  vprintk_default+0x44/0x50\n[   91.991276]  vprintk+0xcc/0xf0\n[   91.991295]  _printk+0x68/0x90\n[   91.991315]  of_node_release+0x13c/0x14c\n[   91.991334]  kobject_put+0x98/0x114\n[   91.991354]  of_node_put+0x24/0x34\n[   91.991372]  of_fwnode_put+0x40/0x5c\n[   91.991390]  fwnode_handle_put+0x38/0x50\n[   91.991411]  coresight_release_platform_data+0x74/0xb0 [coresight]\n[   91.991472]  coresight_unregister+0x64/0xcc [coresight]\n[   91.991525]  etm4_remove_dev+0x64/0x78 [coresight_etm4x]\n[   91.991563]  etm4_remove_amba+0x1c/0x2c [coresight_etm4x]\n[   91.991598]  amba_remove+0x3c/0x19c\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:15:00.409Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e9205d8dd1cafb7cff689ef9ddf06276a68f54a4"
        },
        {
          "url": "https://git.kernel.org/stable/c/847b9273dd61567fb77617eabc5fa002594db062"
        },
        {
          "url": "https://git.kernel.org/stable/c/b49b29ee113a87997bcca0bb0585bb46582846c1"
        },
        {
          "url": "https://git.kernel.org/stable/c/d43e967963c4d1b2b49f894d2f1b12865f87b098"
        },
        {
          "url": "https://git.kernel.org/stable/c/bc57850fcb7e4cb91b6321d0ce83357cefd55c54"
        },
        {
          "url": "https://git.kernel.org/stable/c/2af89ebacf299b7fba5f3087d35e8a286ec33706"
        }
      ],
      "title": "coresight: Clear the connection field properly",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50214",
    "datePublished": "2025-06-18T11:03:51.561Z",
    "dateReserved": "2025-06-18T10:57:27.429Z",
    "dateUpdated": "2026-05-11T19:15:00.409Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-50214",
      "date": "2026-09-14",
      "epss": "0.00214",
      "percentile": "0.1174"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50214\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T11:15:52.310\",\"lastModified\":\"2026-06-17T05:22:59.657\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncoresight: Clear the connection field properly\\n\\ncoresight devices track their connections (output connections) and\\nhold a reference to the fwnode. When a device goes away, we walk through\\nthe devices on the coresight bus and make sure that the references\\nare dropped. This happens both ways:\\n a) For all output connections from the device, drop the reference to\\n    the target device via coresight_release_platform_data()\\n\\nb) Iterate over all the devices on the coresight bus and drop the\\n   reference to fwnode if *this* device is the target of the output\\n   connection, via coresight_remove_conns()-\u003ecoresight_remove_match().\\n\\nHowever, the coresight_remove_match() doesn\u0027t clear the fwnode field,\\nafter dropping the reference, this causes use-after-free and\\nadditional refcount drops on the fwnode.\\n\\ne.g., if we have two devices, A and B, with a connection, A -\u003e B.\\nIf we remove B first, B would clear the reference on B, from A\\nvia coresight_remove_match(). But when A is removed, it still has\\na connection with fwnode still pointing to B. Thus it tries to  drops\\nthe reference in coresight_release_platform_data(), raising the bells\\nlike :\\n\\n[   91.990153] ------------[ cut here ]------------\\n[   91.990163] refcount_t: addition on 0; use-after-free.\\n[   91.990212] WARNING: CPU: 0 PID: 461 at lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144\\n[   91.990260] Modules linked in: coresight_funnel coresight_replicator coresight_etm4x(-)\\n crct10dif_ce coresight ip_tables x_tables ipv6 [last unloaded: coresight_cpu_debug]\\n[   91.990398] CPU: 0 PID: 461 Comm: rmmod Tainted: G        W       T 5.19.0-rc2+ #53\\n[   91.990418] Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform, BIOS EDK II Feb  1 2019\\n[   91.990434] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n[   91.990454] pc : refcount_warn_saturate+0xa0/0x144\\n[   91.990476] lr : refcount_warn_saturate+0xa0/0x144\\n[   91.990496] sp : ffff80000c843640\\n[   91.990509] x29: ffff80000c843640 x28: ffff800009957c28 x27: ffff80000c8439a8\\n[   91.990560] x26: ffff00097eff1990 x25: ffff8000092b6ad8 x24: ffff00097eff19a8\\n[   91.990610] x23: ffff80000c8439a8 x22: 0000000000000000 x21: ffff80000c8439c2\\n[   91.990659] x20: 0000000000000000 x19: ffff00097eff1a10 x18: ffff80000ab99c40\\n[   91.990708] x17: 0000000000000000 x16: 0000000000000000 x15: ffff80000abf6fa0\\n[   91.990756] x14: 000000000000001d x13: 0a2e656572662d72 x12: 657466612d657375\\n[   91.990805] x11: 203b30206e6f206e x10: 6f69746964646120 x9 : ffff8000081aba28\\n[   91.990854] x8 : 206e6f206e6f6974 x7 : 69646461203a745f x6 : 746e756f63666572\\n[   91.990903] x5 : ffff00097648ec58 x4 : 0000000000000000 x3 : 0000000000000027\\n[   91.990952] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00080260ba00\\n[   91.991000] Call trace:\\n[   91.991012]  refcount_warn_saturate+0xa0/0x144\\n[   91.991034]  kobject_get+0xac/0xb0\\n[   91.991055]  of_node_get+0x2c/0x40\\n[   91.991076]  of_fwnode_get+0x40/0x60\\n[   91.991094]  fwnode_handle_get+0x3c/0x60\\n[   91.991116]  fwnode_get_nth_parent+0xf4/0x110\\n[   91.991137]  fwnode_full_name_string+0x48/0xc0\\n[   91.991158]  device_node_string+0x41c/0x530\\n[   91.991178]  pointer+0x320/0x3ec\\n[   91.991198]  vsnprintf+0x23c/0x750\\n[   91.991217]  vprintk_store+0x104/0x4b0\\n[   91.991238]  vprintk_emit+0x8c/0x360\\n[   91.991257]  vprintk_default+0x44/0x50\\n[   91.991276]  vprintk+0xcc/0xf0\\n[   91.991295]  _printk+0x68/0x90\\n[   91.991315]  of_node_release+0x13c/0x14c\\n[   91.991334]  kobject_put+0x98/0x114\\n[   91.991354]  of_node_put+0x24/0x34\\n[   91.991372]  of_fwnode_put+0x40/0x5c\\n[   91.991390]  fwnode_handle_put+0x38/0x50\\n[   91.991411]  coresight_release_platform_data+0x74/0xb0 [coresight]\\n[   91.991472]  coresight_unregister+0x64/0xcc [coresight]\\n[   91.991525]  etm4_remove_dev+0x64/0x78 [coresight_etm4x]\\n[   91.991563]  etm4_remove_amba+0x1c/0x2c [coresight_etm4x]\\n[   91.991598]  amba_remove+0x3c/0x19c\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: coresight: Borrar el campo de conexi\u00f3n correctamente los dispositivos coresight rastrean sus conexiones (conexiones de salida) y mantienen una referencia al fwnode. Cuando un dispositivo desaparece, recorremos los dispositivos en el bus coresight y nos aseguramos de que se eliminen las referencias. Esto sucede en ambos sentidos: a) Para todas las conexiones de salida desde el dispositivo, eliminamos la referencia al dispositivo de destino mediante coresight_release_platform_data() b) Iteramos sobre todos los dispositivos en el bus coresight y eliminamos la referencia a fwnode si *este* dispositivo es el destino de la conexi\u00f3n de salida, mediante coresight_remove_conns()-\u0026gt;coresight_remove_match(). Sin embargo, coresight_remove_match() no borra el campo fwnode, despu\u00e9s de eliminar la referencia, esto causa Use-After-Free y disminuciones adicionales de refcount en el fwnode. Por ejemplo, si tenemos dos dispositivos, A y B, conectados, A -\u0026gt; B. Si eliminamos B primero, B eliminar\u00eda la referencia en B desde A mediante coresight_remove_match(). Sin embargo, al eliminar A, a\u00fan mantiene una conexi\u00f3n con fwnode apuntando a B. Por lo tanto, intenta eliminar la referencia en coresight_release_platform_data(), lo que genera alertas como: [ 91.990153 ------------[ cortar aqu\u00ed ]------------ [ 91.990163 ] refcount_t: adici\u00f3n en 0; Use-After-Free. [ 91.990212] ADVERTENCIA: CPU: 0 PID: 461 en lib/refcount.c:25 refcount_warn_saturate+0xa0/0x144 [ 91.990260] M\u00f3dulos vinculados: coresight_funnel coresight_replicator coresight_etm4x(-) crct10dif_ce coresight ip_tables x_tables ipv6 [\u00faltima descarga: coresight_cpu_debug] [ 91.990398] CPU: 0 PID: 461 Comm: rmmod Contaminado: GWT 5.19.0-rc2+ #53 [ 91.990418] Nombre del hardware: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform, BIOS EDK II 1 de febrero de 2019 [ 91.990434] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 91.990454] pc : refcount_warn_saturate+0xa0/0x144 [ 91.990476] lr : refcount_warn_saturate+0xa0/0x144 [ 91.990496] sp : ffff80000c843640 [ 91.990509] x29: ffff80000c843640 x28: ffff800009957c28 x27: ffff80000c8439a8 [ 91.990560] x26: ffff00097eff1990 x25: ffff8000092b6ad8 x24: ffff00097eff19a8 [91.990610] x23: ffff80000c8439a8 x22: 0000000000000000 x21: ffff80000c8439c2 [91.990659] x20: 0000000000000000 x19: ffff00097eff1a10 x18: ffff80000ab99c40 [91.990708] x17: 000000000000000 x16: 0000000000000000 x15: ffff80000abf6fa0 [ 91.990756] x14: 000000000000001d x13: 0a2e656572662d72 x12: 657466612d657375 [ 91.990805] x11: 203b30206e6f206e x10: 6f69746964646120 x9: ffff8000081aba28 [91.990854] x8: 206e6f206e6f6974 x7: 69646461203a745f x6: 746e756f63666572 [91.990903] x5: ffff00097648ec58 x4: 0000000000000000 x3: 0000000000000027 [91.990952] x2: 0000000000000000 x1: 0000000000000000 x0: ffff00080260ba00 [91.991000] Rastreo de llamadas: [ 91.991012] refcount_warn_saturate+0xa0/0x144 [ 91.991034] kobject_get+0xac/0xb0 [ 91.991055] of_node_get+0x2c/0x40 [ 91.991076] of_fwnode_get+0x40/0x60 [ 91.991094] fwnode_handle_get+0x3c/0x60 [ 91.991116] fwnode_get_nth_parent+0xf4/0x110 [ 91.991137] fwnode_full_name_string+0x48/0xc0 [ 91.991158] device_node_string+0x41c/0x530 [ 91.991178] pointer+0x320/0x3ec [ 91.991198] vsnprintf+0x23c/0x750 [ 91.991217] vprintk_store+0x104/0x4b0 [ 91.991238] vprintk_emit+0x8c/0x360 [ 91.991257] vprintk_default+0x44/0x50 [ 91.991276] vprintk+0xcc/0xf0 [ 91.991295] _printk+0x68/0x90 [ 91.991315] of_node_release+0x13c/0x14c [ 91.991334] kobject_put+0x98/0x114 [ 91.991354] of_node_put+0x24/0x34 [ 91.991372] of_fwnode_put+0x40/0x5c [ 91.991390] fwnode_handle_put+0x38/0x50 [ 91.991411] coresight_release_platform_data+0x74/0xb0 [coresight] [ 91.991472] coresight_unregister+0x64/0xcc [coresight] [ 91.991525] etm4_remove_dev+0x64/0x78 [coresight_etm4x] [ 91.991563] etm4_remove_amba+0x1c/0x2c [coresight_etm4x] [ 91.991598] amba_remove+0x3c/0x19c ---truncado---\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/hwtracing/coresight/coresight-core.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"37ea1ffddffa63c920ce826786fe610c78f57842\",\"lessThan\":\"e9205d8dd1cafb7cff689ef9ddf06276a68f54a4\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37ea1ffddffa63c920ce826786fe610c78f57842\",\"lessThan\":\"847b9273dd61567fb77617eabc5fa002594db062\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37ea1ffddffa63c920ce826786fe610c78f57842\",\"lessThan\":\"b49b29ee113a87997bcca0bb0585bb46582846c1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37ea1ffddffa63c920ce826786fe610c78f57842\",\"lessThan\":\"d43e967963c4d1b2b49f894d2f1b12865f87b098\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37ea1ffddffa63c920ce826786fe610c78f57842\",\"lessThan\":\"bc57850fcb7e4cb91b6321d0ce83357cefd55c54\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"37ea1ffddffa63c920ce826786fe610c78f57842\",\"lessThan\":\"2af89ebacf299b7fba5f3087d35e8a286ec33706\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/hwtracing/coresight/coresight-core.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.3\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.3\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.211\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.137\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.61\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.18.18\",\"lessThanOrEqual\":\"5.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.19.2\",\"lessThanOrEqual\":\"5.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.0\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.3\",\"versionEndExcluding\":\"5.4.211\",\"matchCriteriaId\":\"DABFD37F-7E0C-41E0-9811-29A4EF9C11FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.137\",\"matchCriteriaId\":\"C2BF720F-C5EE-4DE2-9BDF-CE4CFBC767F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.61\",\"matchCriteriaId\":\"51861563-7F40-460F-82CD-2D3FBDAD6618\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.18.18\",\"matchCriteriaId\":\"5B42E453-8837-49D0-A5EF-03F818A6DC11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.19\",\"versionEndExcluding\":\"5.19.2\",\"matchCriteriaId\":\"A1A2A5A5-4598-4D7E-BA07-4660398D6C8F\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2af89ebacf299b7fba5f3087d35e8a286ec33706\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/847b9273dd61567fb77617eabc5fa002594db062\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b49b29ee113a87997bcca0bb0585bb46582846c1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bc57850fcb7e4cb91b6321d0ce83357cefd55c54\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d43e967963c4d1b2b49f894d2f1b12865f87b098\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e9205d8dd1cafb7cff689ef9ddf06276a68f54a4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T21:43:32+00:00",
      "cve": "CVE-2022-50214",
      "id": "CVE-2022-50214",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:fixed": "305",
      "product_status:known_affected": "22",
      "product_status:known_not_affected": "166",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: coresight: Clear the connection field properly",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50214.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T02:28:13Z",
      "cve": "CVE-2022-50214",
      "id": "CVE-2022-50214",
      "initial_release_date": "2025-06-19T03:38:54Z",
      "product_status:known_affected": "130",
      "product_status:known_not_affected": "379",
      "product_status:recommended": "43",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-50214",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50214.json",
      "version": "15"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.