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CVE-2024-56602 (GCVE-0-2024-56602)

Vulnerability from cvelistv5 – Published: 2024-12-27 14:51 – Updated: 2026-08-05 11:45
VLAI
Title
net: ieee802154: do not leave a dangling sk pointer in ieee802154_create()
Summary
In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() sock_init_data() attaches the allocated sk object to the provided sock object. If ieee802154_create() fails later, the allocated sk object is freed, but the dangling pointer remains in the provided sock object, which may allow use-after-free. Clear the sk pointer in the sock object on error.
Severity
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-11 15:42 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < 1d5fe782c0ff068d80933f9cfd0fd39d5434bbc9 (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < 14959fd7538b3be6d7617d9e60e404d6a8d4fd1f (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < 2b46994a6e76c8cc5556772932b9b60d03a55cd8 (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < e8bd6c5f5dc2234b4ea714380aedeea12a781754 (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < b4982fbf13042e3bb33e04eddfea8b1506b5ea65 (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < 03caa9bfb9fde97fb53d33decd7364514e6825cb (git)
Affected: 9ec7671603573ede31207eb5b0b3e1aa211b2854 , < b4fcd63f6ef79c73cafae8cf4a114def5fc3d80d (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.31
Unaffected: 0 , < 2.6.31 (semver)
Unaffected: 5.4.287 , ≤ 5.4.* (semver)
Unaffected: 5.10.231 , ≤ 5.10.* (semver)
Unaffected: 5.15.174 , ≤ 5.15.* (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.66 , ≤ 6.6.* (semver)
Unaffected: 6.12.5 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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              "value": "AV:L - The vulnerable code is the `socket(AF_IEEE802154, ...)` creation path, reached only through a local syscall via `__sock_create()`; no network- or radio-received data reaches it. Despite the subsystem being a wireless PAN stack, the defect itself is in socket setup, not in frame processing.\nAC:H - The dangling pointer is only produced when `sk-\u003esk_prot-\u003ehash()` or `-\u003einit()` returns non-zero, but `raw_hash()`, `dgram_hash()` and `dgram_init()` all unconditionally `return 0` in every affected version (2.6.31\u20136.12) and the raw proto has no `.init`, so the error branch is unreachable and the attacker cannot influence it.\nPR:L - Creating a `SOCK_DGRAM` AF_IEEE802154 socket needs no capability at all, so any unprivileged local user reaches `ieee802154_create()`; note the `!net_eq(net, \u0026init_net)` guard means the call must be made in the initial netns, so user namespaces do not lower this further but also are not needed.\nUI:N - The attacker performs the whole sequence with a single `socket()` syscall from its own process. No victim action or interaction is involved.\nS:U - The freed `struct sock`/`struct dgram_sock` and the stale `sock-\u003esk` reference both live entirely within the kernel\u0027s own security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - Per the use-after-free rubric, a stale `sock-\u003esk` reference to a freed `dgram_sock` in the kmalloc-general caches would let an attacker reclaim the slab and read back attacker-shaped or leftover kernel data through subsequent socket operations.\nI:H - The same dangling reference would allow heap spraying of the reclaimed slot, giving control over function-pointer-bearing fields (`sk_prot`, `sk_destruct`, `sk_wq`) and thus a control-flow-hijack primitive rather than a mere data corruption.\nA:H - Any dereference of the freed `sock-\u003esk` would fault or corrupt the socket hash lists, producing an oops or panic; the rubric treats all use-after-free conditions as high availability impact even when only partially exploited."
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    "cveId": "CVE-2024-56602",
    "datePublished": "2024-12-27T14:51:08.174Z",
    "dateReserved": "2024-12-27T14:03:06.011Z",
    "dateUpdated": "2026-08-05T11:45:22.776Z",
    "state": "PUBLISHED"
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      "date": "2026-09-15",
      "epss": "0.00229",
      "percentile": "0.13801"
    },
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: ieee802154: do not leave a dangling sk pointer in ieee802154_create()\\n\\nsock_init_data() attaches the allocated sk object to the provided sock\\nobject. If ieee802154_create() fails later, the allocated sk object is\\nfreed, but the dangling pointer remains in the provided sock object, which\\nmay allow use-after-free.\\n\\nClear the sk pointer in the sock object on error.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ieee802154: no deje un puntero sk colgando en ieee802154_create() sock_init_data() adjunta el objeto sk asignado al objeto sock proporcionado. Si ieee802154_create() falla m\\u00e1s tarde, el objeto sk asignado se libera, pero el puntero colgando permanece en el objeto sock proporcionado, lo que puede permitir el use-after-free. Borre el puntero sk en el objeto sock en caso de error.\"}]",
      "id": "CVE-2024-56602",
      "lastModified": "2024-12-27T15:15:19.650",
      "published": "2024-12-27T15:15:19.650",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/03caa9bfb9fde97fb53d33decd7364514e6825cb\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/14959fd7538b3be6d7617d9e60e404d6a8d4fd1f\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/1d5fe782c0ff068d80933f9cfd0fd39d5434bbc9\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/2b46994a6e76c8cc5556772932b9b60d03a55cd8\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/b4982fbf13042e3bb33e04eddfea8b1506b5ea65\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/b4fcd63f6ef79c73cafae8cf4a114def5fc3d80d\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/e8bd6c5f5dc2234b4ea714380aedeea12a781754\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Undergoing Analysis"
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    "microsoft_vex": {
      "current_release_date": "2026-02-19T01:49:36.000Z",
      "cve": "CVE-2024-56602",
      "id": "msrc_CVE-2024-56602",
      "initial_release_date": "2024-12-02T00:00:00.000Z",
      "product_status:fixed": "4",
      "product_status:known_affected": "4",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "net: ieee802154: do not leave a dangling sk pointer in ieee802154_create()",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-56602.json",
      "version": "3"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56602\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T15:15:19.650\",\"lastModified\":\"2026-08-04T11:22:13.407\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: ieee802154: do not leave a dangling sk pointer in ieee802154_create()\\n\\nsock_init_data() attaches the allocated sk object to the provided sock\\nobject. If ieee802154_create() fails later, the allocated sk object is\\nfreed, but the dangling pointer remains in the provided sock object, which\\nmay allow use-after-free.\\n\\nClear the sk pointer in the sock object on error.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ieee802154: no deje un puntero sk colgando en ieee802154_create() sock_init_data() adjunta el objeto sk asignado al objeto sock proporcionado. Si ieee802154_create() falla m\u00e1s tarde, el objeto sk asignado se libera, pero el puntero colgando permanece en el objeto sock proporcionado, lo que puede permitir el use-after-free. Borre el puntero sk en el objeto sock en caso de 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-20T04:54:03+00:00",
      "cve": "CVE-2024-56602",
      "id": "CVE-2024-56602",
      "initial_release_date": "2024-12-27T00:00:00+00:00",
      "product_status:fixed": "455",
      "product_status:known_affected": "140",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-56602.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-16T00:21:21Z",
      "cve": "CVE-2024-56602",
      "id": "CVE-2024-56602",
      "initial_release_date": "2025-01-10T00:22:17Z",
      "product_status:known_affected": "406",
      "product_status:known_not_affected": "313",
      "product_status:recommended": "645",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-56602",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-56602.json",
      "version": "81"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:50:43.809Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-56602\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-11T15:42:21.145830Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-11T15:42:22.590Z\"}}], \"cna\": {\"title\": \"net: ieee802154: do not leave a dangling sk pointer in ieee802154_create()\", \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 7, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"AV:L - The vulnerable code is the `socket(AF_IEEE802154, ...)` creation path, reached only through a local syscall via `__sock_create()`; no network- or radio-received data reaches it. Despite the subsystem being a wireless PAN stack, the defect itself is in socket setup, not in frame processing.\\nAC:H - The dangling pointer is only produced when `sk-\u003esk_prot-\u003ehash()` or `-\u003einit()` returns non-zero, but `raw_hash()`, `dgram_hash()` and `dgram_init()` all unconditionally `return 0` in every affected version (2.6.31\\u20136.12) and the raw proto has no `.init`, so the error branch is unreachable and the attacker cannot influence it.\\nPR:L - Creating a `SOCK_DGRAM` AF_IEEE802154 socket needs no capability at all, so any unprivileged local user reaches `ieee802154_create()`; note the `!net_eq(net, \u0026init_net)` guard means the call must be made in the initial netns, so user namespaces do not lower this further but also are not needed.\\nUI:N - The attacker performs the whole sequence with a single `socket()` syscall from its own process. No victim action or interaction is involved.\\nS:U - The freed `struct sock`/`struct dgram_sock` and the stale `sock-\u003esk` reference both live entirely within the kernel\u0027s own security authority. No VM, IOMMU, or sandbox boundary is crossed.\\nC:H - Per the use-after-free rubric, a stale `sock-\u003esk` reference to a freed `dgram_sock` in the kmalloc-general caches would let an attacker reclaim the slab and read back attacker-shaped or leftover kernel data through subsequent socket operations.\\nI:H - The same dangling reference would allow heap spraying of the reclaimed slot, giving control over function-pointer-bearing fields (`sk_prot`, `sk_destruct`, `sk_wq`) and thus a control-flow-hijack primitive rather than a mere data corruption.\\nA:H - Any dereference of the freed `sock-\u003esk` would fault or corrupt the socket hash lists, producing an oops or panic; the rubric treats all use-after-free conditions as high availability impact even when only partially exploited.\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9ec7671603573ede31207eb5b0b3e1aa211b2854\", \"lessThan\": \"1d5fe782c0ff068d80933f9cfd0fd39d5434bbc9\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9ec7671603573ede31207eb5b0b3e1aa211b2854\", \"lessThan\": \"14959fd7538b3be6d7617d9e60e404d6a8d4fd1f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9ec7671603573ede31207eb5b0b3e1aa211b2854\", \"lessThan\": \"2b46994a6e76c8cc5556772932b9b60d03a55cd8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9ec7671603573ede31207eb5b0b3e1aa211b2854\", \"lessThan\": \"e8bd6c5f5dc2234b4ea714380aedeea12a781754\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9ec7671603573ede31207eb5b0b3e1aa211b2854\", \"lessThan\": \"b4982fbf13042e3bb33e04eddfea8b1506b5ea65\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9ec7671603573ede31207eb5b0b3e1aa211b2854\", \"lessThan\": \"03caa9bfb9fde97fb53d33decd7364514e6825cb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9ec7671603573ede31207eb5b0b3e1aa211b2854\", \"lessThan\": \"b4fcd63f6ef79c73cafae8cf4a114def5fc3d80d\", \"versionType\": \"git\"}], \"programFiles\": [\"net/ieee802154/socket.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.31\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.31\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.287\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.231\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.174\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.66\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/ieee802154/socket.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/1d5fe782c0ff068d80933f9cfd0fd39d5434bbc9\"}, {\"url\": \"https://git.kernel.org/stable/c/14959fd7538b3be6d7617d9e60e404d6a8d4fd1f\"}, {\"url\": \"https://git.kernel.org/stable/c/2b46994a6e76c8cc5556772932b9b60d03a55cd8\"}, {\"url\": \"https://git.kernel.org/stable/c/e8bd6c5f5dc2234b4ea714380aedeea12a781754\"}, {\"url\": \"https://git.kernel.org/stable/c/b4982fbf13042e3bb33e04eddfea8b1506b5ea65\"}, {\"url\": \"https://git.kernel.org/stable/c/03caa9bfb9fde97fb53d33decd7364514e6825cb\"}, {\"url\": \"https://git.kernel.org/stable/c/b4fcd63f6ef79c73cafae8cf4a114def5fc3d80d\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: ieee802154: do not leave a dangling sk pointer in ieee802154_create()\\n\\nsock_init_data() attaches the allocated sk object to the provided sock\\nobject. If ieee802154_create() fails later, the allocated sk object is\\nfreed, but the dangling pointer remains in the provided sock object, which\\nmay allow use-after-free.\\n\\nClear the sk pointer in the sock object on error.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.287\", \"versionStartIncluding\": \"2.6.31\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.231\", \"versionStartIncluding\": \"2.6.31\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.174\", \"versionStartIncluding\": \"2.6.31\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.120\", \"versionStartIncluding\": \"2.6.31\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.66\", \"versionStartIncluding\": \"2.6.31\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.5\", \"versionStartIncluding\": \"2.6.31\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13\", \"versionStartIncluding\": \"2.6.31\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-08-05T11:45:22.776Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-56602\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-05T11:45:22.776Z\", \"dateReserved\": \"2024-12-27T14:03:06.011Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-12-27T14:51:08.174Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.