CVE-2024-46762 (GCVE-0-2024-46762)

Vulnerability from cvelistv5 – Published: 2024-09-18 07:12 – Updated: 2026-08-05 11:38
VLAI
Title
xen: privcmd: Fix possible access to a freed kirqfd instance
Summary
In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmd_irqfd_assign() and privcmd_irqfd_deassign(). If that happens, it is possible that a kirqfd created and added to the irqfds_list by privcmd_irqfd_assign() may get removed by another thread executing privcmd_irqfd_deassign(), while the former is still using it after dropping the locks. This can lead to a situation where an already freed kirqfd instance may be accessed and cause kernel oops. Use SRCU locking to prevent the same, as is done for the KVM implementation for irqfds.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6 , < e997b357b13a7d95de31681fc54fcc34235fa527 (git)
Affected: f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6 , < 112fd2f02b308564724b8e81006c254d20945c4b (git)
Affected: f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6 , < 611ff1b1ae989a7bcce3e2a8e132ee30e968c557 (git)
Create a notification for this product.
Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.51 , ≤ 6.6.* (semver)
Unaffected: 6.10.10 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-46762",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-29T14:43:33.478974Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-29T14:43:47.331Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/xen/privcmd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e997b357b13a7d95de31681fc54fcc34235fa527",
              "status": "affected",
              "version": "f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6",
              "versionType": "git"
            },
            {
              "lessThan": "112fd2f02b308564724b8e81006c254d20945c4b",
              "status": "affected",
              "version": "f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6",
              "versionType": "git"
            },
            {
              "lessThan": "611ff1b1ae989a7bcce3e2a8e132ee30e968c557",
              "status": "affected",
              "version": "f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/xen/privcmd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.51",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.51",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.10.10",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.11",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxen: privcmd: Fix possible access to a freed kirqfd instance\n\nNothing prevents simultaneous ioctl calls to privcmd_irqfd_assign() and\nprivcmd_irqfd_deassign(). If that happens, it is possible that a kirqfd\ncreated and added to the irqfds_list by privcmd_irqfd_assign() may get\nremoved by another thread executing privcmd_irqfd_deassign(), while the\nformer is still using it after dropping the locks.\n\nThis can lead to a situation where an already freed kirqfd instance may\nbe accessed and cause kernel oops.\n\nUse SRCU locking to prevent the same, as is done for the KVM\nimplementation for irqfds."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerability is reached only through `ioctl(IOCTL_PRIVCMD_IRQFD)` on the `/dev/xen/privcmd` character device, requiring local access to the system. No remote or adjacent-network path exists to `privcmd_ioctl_irqfd()`.\nAC:L - The attacker controls both sides of the race, issuing the assign and deassign ioctls concurrently from its own threads on the same eventfd, and can retry in a tight loop; the window is further widened by the workqueue handoff to `irqfd_shutdown()` and the preemptible `HYPERVISOR_dm_op()` call in `irqfd_inject()`.\nPR:L - `privcmd_ioctl()` performs no capability check whatsoever \u2014 only the device-node permission gates access \u2014 and the `IOCTL_PRIVCMD_RESTRICT` design explicitly hands a privcmd fd to deprivileged device-model/virtio-backend daemons, which is exactly the scenario the irqfd interface was built for, so an unprivileged local process holding that fd can trigger the UAF.\nUI:N - The attacker performs the entire sequence itself with two concurrent ioctls on descriptors it owns; no action by any other user or victim process is needed.\nS:U - The use-after-free corrupts kernel memory in the same domain that hosts the calling process, giving standard local kernel privilege escalation rather than crossing the Xen guest/host or IOMMU boundary.\nC:H - The freed `privcmd_kernel_irqfd` is left registered in the eventfd wait queue and is re-read (`kirqfd-\u003eeventfd`, `kirqfd-\u003exbufs`, `wait-\u003efunc`) after `kfree()`, and the attacker chooses the allocation size via the unbounded `irqfd-\u003esize`, so resprayed slab contents can be leveraged into arbitrary kernel memory disclosure.\nI:H - `add_wait_queue_priority()` writes list pointers into the freed chunk and `kirqfd-\u003eerror = rc` writes into it as well, while the dangling wait-queue entry causes a later `eventfd_signal()` to call a function pointer read from attacker-resprayed memory \u2014 a control-flow hijack / arbitrary-write primitive.\nA:H - The commit itself states the freed `kirqfd` access \"can lead to a situation where an already freed kirqfd instance may be accessed and cause kernel oops\"; the corrupted wait-queue list and freed `eventfd_ctx` reliably panic the kernel even without full exploitation."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:38:24.559Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e997b357b13a7d95de31681fc54fcc34235fa527"
        },
        {
          "url": "https://git.kernel.org/stable/c/112fd2f02b308564724b8e81006c254d20945c4b"
        },
        {
          "url": "https://git.kernel.org/stable/c/611ff1b1ae989a7bcce3e2a8e132ee30e968c557"
        }
      ],
      "title": "xen: privcmd: Fix possible access to a freed kirqfd instance",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46762",
    "datePublished": "2024-09-18T07:12:21.854Z",
    "dateReserved": "2024-09-11T15:12:18.272Z",
    "dateUpdated": "2026-08-05T11:38:24.559Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-46762",
      "date": "2026-08-07",
      "epss": "0.00245",
      "percentile": "0.1574"
    },
    "microsoft_vex": {
      "current_release_date": "2026-03-31T15:13:52.000Z",
      "cve": "CVE-2024-46762",
      "id": "msrc_CVE-2024-46762",
      "initial_release_date": "2024-09-01T07:00:00.000Z",
      "product_status:fixed": "2",
      "product_status:known_affected": "2",
      "product_status:under_investigation": "3",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "xen: privcmd: Fix possible access to a freed kirqfd instance",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-46762.json",
      "version": "4"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-46762\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-18T08:15:04.570\",\"lastModified\":\"2026-06-17T07:55:52.870\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nxen: privcmd: Fix possible access to a freed kirqfd instance\\n\\nNothing prevents simultaneous ioctl calls to privcmd_irqfd_assign() and\\nprivcmd_irqfd_deassign(). If that happens, it is possible that a kirqfd\\ncreated and added to the irqfds_list by privcmd_irqfd_assign() may get\\nremoved by another thread executing privcmd_irqfd_deassign(), while the\\nformer is still using it after dropping the locks.\\n\\nThis can lead to a situation where an already freed kirqfd instance may\\nbe accessed and cause kernel oops.\\n\\nUse SRCU locking to prevent the same, as is done for the KVM\\nimplementation for irqfds.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xen: privcmd: Fix possible access to a freed kirqfd instance Nada impide llamadas ioctl simult\u00e1neas a privcmd_irqfd_assign() y privcmd_irqfd_deassign(). Si eso sucede, es posible que un kirqfd creado y agregado a la irqfds_list por privcmd_irqfd_assign() pueda ser eliminado por otro hilo que ejecuta privcmd_irqfd_deassign(), mientras que el primero todav\u00eda lo est\u00e1 usando despu\u00e9s de eliminar los bloqueos. Esto puede llevar a una situaci\u00f3n en la que se puede acceder a una instancia kirqfd ya liberada y causar errores del kernel. Use el bloqueo SRCU para evitar lo mismo, como se hace para la implementaci\u00f3n de KVM para irqfds.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/xen/privcmd.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6\",\"lessThan\":\"e997b357b13a7d95de31681fc54fcc34235fa527\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6\",\"lessThan\":\"112fd2f02b308564724b8e81006c254d20945c4b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6\",\"lessThan\":\"611ff1b1ae989a7bcce3e2a8e132ee30e968c557\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/xen/privcmd.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.6\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.6\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.51\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10.10\",\"lessThanOrEqual\":\"6.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11\",\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-09-29T14:43:33.478974Z\",\"id\":\"CVE-2024-46762\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"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:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.6.51\",\"matchCriteriaId\":\"D4954ED0-8229-4D57-B4B3-CB5154734977\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.10\",\"matchCriteriaId\":\"ACDEE48C-137A-4731-90D0-A675865E1BED\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/112fd2f02b308564724b8e81006c254d20945c4b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/611ff1b1ae989a7bcce3e2a8e132ee30e968c557\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e997b357b13a7d95de31681fc54fcc34235fa527\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T18:02:20+00:00",
      "cve": "CVE-2024-46762",
      "id": "CVE-2024-46762",
      "initial_release_date": "2024-09-18T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: xen: privcmd: Fix possible access to a freed kirqfd instance",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-46762.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-46762\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-29T14:43:33.478974Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-29T14:43:37.649Z\"}}], \"cna\": {\"title\": \"xen: privcmd: Fix possible access to a freed kirqfd instance\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6\", \"lessThan\": \"e997b357b13a7d95de31681fc54fcc34235fa527\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6\", \"lessThan\": \"112fd2f02b308564724b8e81006c254d20945c4b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6\", \"lessThan\": \"611ff1b1ae989a7bcce3e2a8e132ee30e968c557\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/xen/privcmd.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.6\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.6\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.51\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.10\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/xen/privcmd.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/e997b357b13a7d95de31681fc54fcc34235fa527\"}, {\"url\": \"https://git.kernel.org/stable/c/112fd2f02b308564724b8e81006c254d20945c4b\"}, {\"url\": \"https://git.kernel.org/stable/c/611ff1b1ae989a7bcce3e2a8e132ee30e968c557\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nxen: privcmd: Fix possible access to a freed kirqfd instance\\n\\nNothing prevents simultaneous ioctl calls to privcmd_irqfd_assign() and\\nprivcmd_irqfd_deassign(). If that happens, it is possible that a kirqfd\\ncreated and added to the irqfds_list by privcmd_irqfd_assign() may get\\nremoved by another thread executing privcmd_irqfd_deassign(), while the\\nformer is still using it after dropping the locks.\\n\\nThis can lead to a situation where an already freed kirqfd instance may\\nbe accessed and cause kernel oops.\\n\\nUse SRCU locking to prevent the same, as is done for the KVM\\nimplementation for irqfds.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.51\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.10\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"6.6\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-01-05T11:37:37.901Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-46762\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-05T11:37:37.901Z\", \"dateReserved\": \"2024-09-11T15:12:18.272Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-18T07:12:21.854Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
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.