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CVE-2023-53595 (GCVE-0-2023-53595)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:44 – Updated: 2026-05-11 19:48
VLAI
Title
octeontx2-pf: mcs: Fix NULL pointer dereferences
Summary
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: mcs: Fix NULL pointer dereferences When system is rebooted after creating macsec interface below NULL pointer dereference crashes occurred. This patch fixes those crashes by using correct order of teardown [ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 3324.415726] Mem abort info: [ 3324.418510] ESR = 0x96000006 [ 3324.421557] EC = 0x25: DABT (current EL), IL = 32 bits [ 3324.426865] SET = 0, FnV = 0 [ 3324.429913] EA = 0, S1PTW = 0 [ 3324.433047] Data abort info: [ 3324.435921] ISV = 0, ISS = 0x00000006 [ 3324.439748] CM = 0, WnR = 0 .... [ 3324.575915] Call trace: [ 3324.578353] cn10k_mdo_del_secy+0x24/0x180 [ 3324.582440] macsec_common_dellink+0xec/0x120 [ 3324.586788] macsec_notify+0x17c/0x1c0 [ 3324.590529] raw_notifier_call_chain+0x50/0x70 [ 3324.594965] call_netdevice_notifiers_info+0x34/0x7c [ 3324.599921] rollback_registered_many+0x354/0x5bc [ 3324.604616] unregister_netdevice_queue+0x88/0x10c [ 3324.609399] unregister_netdev+0x20/0x30 [ 3324.613313] otx2_remove+0x8c/0x310 [ 3324.616794] pci_device_shutdown+0x30/0x70 [ 3324.620882] device_shutdown+0x11c/0x204 [ 966.664930] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 966.673712] Mem abort info: [ 966.676497] ESR = 0x96000006 [ 966.679543] EC = 0x25: DABT (current EL), IL = 32 bits [ 966.684848] SET = 0, FnV = 0 [ 966.687895] EA = 0, S1PTW = 0 [ 966.691028] Data abort info: [ 966.693900] ISV = 0, ISS = 0x00000006 [ 966.697729] CM = 0, WnR = 0 [ 966.833467] Call trace: [ 966.835904] cn10k_mdo_stop+0x20/0xa0 [ 966.839557] macsec_dev_stop+0xe8/0x11c [ 966.843384] __dev_close_many+0xbc/0x140 [ 966.847298] dev_close_many+0x84/0x120 [ 966.851039] rollback_registered_many+0x114/0x5bc [ 966.855735] unregister_netdevice_many.part.0+0x14/0xa0 [ 966.860952] unregister_netdevice_many+0x18/0x24 [ 966.865560] macsec_notify+0x1ac/0x1c0 [ 966.869303] raw_notifier_call_chain+0x50/0x70 [ 966.873738] call_netdevice_notifiers_info+0x34/0x7c [ 966.878694] rollback_registered_many+0x354/0x5bc [ 966.883390] unregister_netdevice_queue+0x88/0x10c [ 966.888173] unregister_netdev+0x20/0x30 [ 966.892090] otx2_remove+0x8c/0x310 [ 966.895571] pci_device_shutdown+0x30/0x70 [ 966.899660] device_shutdown+0x11c/0x204 [ 966.903574] __do_sys_reboot+0x208/0x290 [ 966.907487] __arm64_sys_reboot+0x20/0x30 [ 966.911489] el0_svc_handler+0x80/0x1c0 [ 966.915316] el0_svc+0x8/0x180 [ 966.918362] Code: f9400000 f9400a64 91220014 f94b3403 (f9400060) [ 966.924448] ---[ end trace 341778e799c3d8d7 ]---
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c54ffc73601c0a239e55911923a6e23a2a74f143 , < a3dcc45eca017fca82ac47dbde6f41af960657e5 (git)
Affected: c54ffc73601c0a239e55911923a6e23a2a74f143 , < 1152c0f947b76e7731e039185cbd00fdb4389f00 (git)
Affected: c54ffc73601c0a239e55911923a6e23a2a74f143 , < 13ff119b17e5e2916435ce01a0156c8698ad9e16 (git)
Affected: c54ffc73601c0a239e55911923a6e23a2a74f143 , < 699af748c61574125d269db260dabbe20436d74e (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.1
Unaffected: 0 , < 6.1 (semver)
Unaffected: 6.1.29 , ≤ 6.1.* (semver)
Unaffected: 6.2.16 , ≤ 6.2.* (semver)
Unaffected: 6.3.3 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c"
          ],
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        {
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          "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": "6.1"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.29",
              "versionType": "semver"
            },
            {
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              "version": "6.2.16",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
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            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.29",
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              "operator": "OR"
            }
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: mcs: Fix NULL pointer dereferences\n\nWhen system is rebooted after creating macsec interface\nbelow NULL pointer dereference crashes occurred. This\npatch fixes those crashes by using correct order of teardown\n\n[ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[ 3324.415726] Mem abort info:\n[ 3324.418510]   ESR = 0x96000006\n[ 3324.421557]   EC = 0x25: DABT (current EL), IL = 32 bits\n[ 3324.426865]   SET = 0, FnV = 0\n[ 3324.429913]   EA = 0, S1PTW = 0\n[ 3324.433047] Data abort info:\n[ 3324.435921]   ISV = 0, ISS = 0x00000006\n[ 3324.439748]   CM = 0, WnR = 0\n....\n[ 3324.575915] Call trace:\n[ 3324.578353]  cn10k_mdo_del_secy+0x24/0x180\n[ 3324.582440]  macsec_common_dellink+0xec/0x120\n[ 3324.586788]  macsec_notify+0x17c/0x1c0\n[ 3324.590529]  raw_notifier_call_chain+0x50/0x70\n[ 3324.594965]  call_netdevice_notifiers_info+0x34/0x7c\n[ 3324.599921]  rollback_registered_many+0x354/0x5bc\n[ 3324.604616]  unregister_netdevice_queue+0x88/0x10c\n[ 3324.609399]  unregister_netdev+0x20/0x30\n[ 3324.613313]  otx2_remove+0x8c/0x310\n[ 3324.616794]  pci_device_shutdown+0x30/0x70\n[ 3324.620882]  device_shutdown+0x11c/0x204\n\n[  966.664930] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[  966.673712] Mem abort info:\n[  966.676497]   ESR = 0x96000006\n[  966.679543]   EC = 0x25: DABT (current EL), IL = 32 bits\n[  966.684848]   SET = 0, FnV = 0\n[  966.687895]   EA = 0, S1PTW = 0\n[  966.691028] Data abort info:\n[  966.693900]   ISV = 0, ISS = 0x00000006\n[  966.697729]   CM = 0, WnR = 0\n[  966.833467] Call trace:\n[  966.835904]  cn10k_mdo_stop+0x20/0xa0\n[  966.839557]  macsec_dev_stop+0xe8/0x11c\n[  966.843384]  __dev_close_many+0xbc/0x140\n[  966.847298]  dev_close_many+0x84/0x120\n[  966.851039]  rollback_registered_many+0x114/0x5bc\n[  966.855735]  unregister_netdevice_many.part.0+0x14/0xa0\n[  966.860952]  unregister_netdevice_many+0x18/0x24\n[  966.865560]  macsec_notify+0x1ac/0x1c0\n[  966.869303]  raw_notifier_call_chain+0x50/0x70\n[  966.873738]  call_netdevice_notifiers_info+0x34/0x7c\n[  966.878694]  rollback_registered_many+0x354/0x5bc\n[  966.883390]  unregister_netdevice_queue+0x88/0x10c\n[  966.888173]  unregister_netdev+0x20/0x30\n[  966.892090]  otx2_remove+0x8c/0x310\n[  966.895571]  pci_device_shutdown+0x30/0x70\n[  966.899660]  device_shutdown+0x11c/0x204\n[  966.903574]  __do_sys_reboot+0x208/0x290\n[  966.907487]  __arm64_sys_reboot+0x20/0x30\n[  966.911489]  el0_svc_handler+0x80/0x1c0\n[  966.915316]  el0_svc+0x8/0x180\n[  966.918362] Code: f9400000 f9400a64 91220014 f94b3403 (f9400060)\n[  966.924448] ---[ end trace 341778e799c3d8d7 ]---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:48:11.183Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a3dcc45eca017fca82ac47dbde6f41af960657e5"
        },
        {
          "url": "https://git.kernel.org/stable/c/1152c0f947b76e7731e039185cbd00fdb4389f00"
        },
        {
          "url": "https://git.kernel.org/stable/c/13ff119b17e5e2916435ce01a0156c8698ad9e16"
        },
        {
          "url": "https://git.kernel.org/stable/c/699af748c61574125d269db260dabbe20436d74e"
        }
      ],
      "title": "octeontx2-pf: mcs: Fix NULL pointer dereferences",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53595",
    "datePublished": "2025-10-04T15:44:08.261Z",
    "dateReserved": "2025-10-04T15:40:38.478Z",
    "dateUpdated": "2026-05-11T19:48:11.183Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-53595",
      "date": "2026-09-14",
      "epss": "0.00145",
      "percentile": "0.04068"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53595\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-04T16:15:56.030\",\"lastModified\":\"2026-06-17T06:45:40.817\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nocteontx2-pf: mcs: Fix NULL pointer dereferences\\n\\nWhen system is rebooted after creating macsec interface\\nbelow NULL pointer dereference crashes occurred. This\\npatch fixes those crashes by using correct order of teardown\\n\\n[ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\\n[ 3324.415726] Mem abort info:\\n[ 3324.418510]   ESR = 0x96000006\\n[ 3324.421557]   EC = 0x25: DABT (current EL), IL = 32 bits\\n[ 3324.426865]   SET = 0, FnV = 0\\n[ 3324.429913]   EA = 0, S1PTW = 0\\n[ 3324.433047] Data abort info:\\n[ 3324.435921]   ISV = 0, ISS = 0x00000006\\n[ 3324.439748]   CM = 0, WnR = 0\\n....\\n[ 3324.575915] Call trace:\\n[ 3324.578353]  cn10k_mdo_del_secy+0x24/0x180\\n[ 3324.582440]  macsec_common_dellink+0xec/0x120\\n[ 3324.586788]  macsec_notify+0x17c/0x1c0\\n[ 3324.590529]  raw_notifier_call_chain+0x50/0x70\\n[ 3324.594965]  call_netdevice_notifiers_info+0x34/0x7c\\n[ 3324.599921]  rollback_registered_many+0x354/0x5bc\\n[ 3324.604616]  unregister_netdevice_queue+0x88/0x10c\\n[ 3324.609399]  unregister_netdev+0x20/0x30\\n[ 3324.613313]  otx2_remove+0x8c/0x310\\n[ 3324.616794]  pci_device_shutdown+0x30/0x70\\n[ 3324.620882]  device_shutdown+0x11c/0x204\\n\\n[  966.664930] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\\n[  966.673712] Mem abort info:\\n[  966.676497]   ESR = 0x96000006\\n[  966.679543]   EC = 0x25: DABT (current EL), IL = 32 bits\\n[  966.684848]   SET = 0, FnV = 0\\n[  966.687895]   EA = 0, S1PTW = 0\\n[  966.691028] Data abort info:\\n[  966.693900]   ISV = 0, ISS = 0x00000006\\n[  966.697729]   CM = 0, WnR = 0\\n[  966.833467] Call trace:\\n[  966.835904]  cn10k_mdo_stop+0x20/0xa0\\n[  966.839557]  macsec_dev_stop+0xe8/0x11c\\n[  966.843384]  __dev_close_many+0xbc/0x140\\n[  966.847298]  dev_close_many+0x84/0x120\\n[  966.851039]  rollback_registered_many+0x114/0x5bc\\n[  966.855735]  unregister_netdevice_many.part.0+0x14/0xa0\\n[  966.860952]  unregister_netdevice_many+0x18/0x24\\n[  966.865560]  macsec_notify+0x1ac/0x1c0\\n[  966.869303]  raw_notifier_call_chain+0x50/0x70\\n[  966.873738]  call_netdevice_notifiers_info+0x34/0x7c\\n[  966.878694]  rollback_registered_many+0x354/0x5bc\\n[  966.883390]  unregister_netdevice_queue+0x88/0x10c\\n[  966.888173]  unregister_netdev+0x20/0x30\\n[  966.892090]  otx2_remove+0x8c/0x310\\n[  966.895571]  pci_device_shutdown+0x30/0x70\\n[  966.899660]  device_shutdown+0x11c/0x204\\n[  966.903574]  __do_sys_reboot+0x208/0x290\\n[  966.907487]  __arm64_sys_reboot+0x20/0x30\\n[  966.911489]  el0_svc_handler+0x80/0x1c0\\n[  966.915316]  el0_svc+0x8/0x180\\n[  966.918362] Code: f9400000 f9400a64 91220014 f94b3403 (f9400060)\\n[  966.924448] ---[ end trace 341778e799c3d8d7 ]---\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"c54ffc73601c0a239e55911923a6e23a2a74f143\",\"lessThan\":\"a3dcc45eca017fca82ac47dbde6f41af960657e5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c54ffc73601c0a239e55911923a6e23a2a74f143\",\"lessThan\":\"1152c0f947b76e7731e039185cbd00fdb4389f00\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c54ffc73601c0a239e55911923a6e23a2a74f143\",\"lessThan\":\"13ff119b17e5e2916435ce01a0156c8698ad9e16\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c54ffc73601c0a239e55911923a6e23a2a74f143\",\"lessThan\":\"699af748c61574125d269db260dabbe20436d74e\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.1\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.1\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.29\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.2.16\",\"lessThanOrEqual\":\"6.2.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.3.3\",\"lessThanOrEqual\":\"6.3.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.4\",\"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:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1\",\"versionEndExcluding\":\"6.1.29\",\"matchCriteriaId\":\"69A65F0E-38E0-4491-A1A6-176DA6E5B276\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.2.16\",\"matchCriteriaId\":\"F92F7C8E-A977-4255-B1B6-D1908D8B408F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.3\",\"versionEndExcluding\":\"6.3.3\",\"matchCriteriaId\":\"6D96A7FC-D812-4458-AEA8-3FF4023E6B75\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1152c0f947b76e7731e039185cbd00fdb4389f00\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/13ff119b17e5e2916435ce01a0156c8698ad9e16\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/699af748c61574125d269db260dabbe20436d74e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a3dcc45eca017fca82ac47dbde6f41af960657e5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:29:10+00:00",
      "cve": "CVE-2023-53595",
      "id": "CVE-2023-53595",
      "initial_release_date": "2023-01-01T00:00:00+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: octeontx2-pf: mcs: Fix NULL pointer dereferences",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53595.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T02:20:06Z",
      "cve": "CVE-2023-53595",
      "id": "CVE-2023-53595",
      "initial_release_date": "2025-10-05T02:55:44Z",
      "product_status:known_not_affected": "523",
      "product_status:recommended": "43",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53595",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53595.json",
      "version": "17"
    }
  }
}



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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.