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CVE-2021-47413 (GCVE-0-2021-47413)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:04 – Updated: 2026-05-11 13:54
VLAI
Title
usb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle When passing 'phys' in the devicetree to describe the USB PHY phandle (which is the recommended way according to Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt) the following NULL pointer dereference is observed on i.MX7 and i.MX8MM: [ 1.489344] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098 [ 1.498170] Mem abort info: [ 1.500966] ESR = 0x96000044 [ 1.504030] EC = 0x25: DABT (current EL), IL = 32 bits [ 1.509356] SET = 0, FnV = 0 [ 1.512416] EA = 0, S1PTW = 0 [ 1.515569] FSC = 0x04: level 0 translation fault [ 1.520458] Data abort info: [ 1.523349] ISV = 0, ISS = 0x00000044 [ 1.527196] CM = 0, WnR = 1 [ 1.530176] [0000000000000098] user address but active_mm is swapper [ 1.536544] Internal error: Oops: 96000044 [#1] PREEMPT SMP [ 1.542125] Modules linked in: [ 1.545190] CPU: 3 PID: 7 Comm: kworker/u8:0 Not tainted 5.14.0-dirty #3 [ 1.551901] Hardware name: Kontron i.MX8MM N801X S (DT) [ 1.557133] Workqueue: events_unbound deferred_probe_work_func [ 1.562984] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) [ 1.568998] pc : imx7d_charger_detection+0x3f0/0x510 [ 1.573973] lr : imx7d_charger_detection+0x22c/0x510 This happens because the charger functions check for the phy presence inside the imx_usbmisc_data structure (data->usb_phy), but the chipidea core populates the usb_phy passed via 'phys' inside 'struct ci_hdrc' (ci->usb_phy) instead. This causes the NULL pointer dereference inside imx7d_charger_detection(). Fix it by also searching for 'phys' in case 'fsl,usbphy' is not found. Tested on a imx7s-warp board.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-11 17:27 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 746f316b753a83e366bfc5f936cbf0d72d1c2d1d , < b3265b88e83b16c7be762fa5fb7e0632bce0002c (git)
Affected: 746f316b753a83e366bfc5f936cbf0d72d1c2d1d , < 66dd03b10e1c0b2fae006c6e34c18ea8ee033e7b (git)
Affected: 746f316b753a83e366bfc5f936cbf0d72d1c2d1d , < 8253a34bfae3278baca52fc1209b7c29270486ca (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.8
Unaffected: 0 , < 5.8 (semver)
Unaffected: 5.10.73 , ≤ 5.10.* (semver)
Unaffected: 5.14.12 , ≤ 5.14.* (semver)
Unaffected: 5.15 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47413\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T15:15:26.793\",\"lastModified\":\"2026-06-17T04:17:24.967\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: chipidea: ci_hdrc_imx: Also search for \u0027phys\u0027 phandle\\n\\nWhen passing \u0027phys\u0027 in the devicetree to describe the USB PHY phandle\\n(which is the recommended way according to\\nDocumentation/devicetree/bindings/usb/ci-hdrc-usb2.txt) the\\nfollowing NULL pointer dereference is observed on i.MX7 and i.MX8MM:\\n\\n[    1.489344] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098\\n[    1.498170] Mem abort info:\\n[    1.500966]   ESR = 0x96000044\\n[    1.504030]   EC = 0x25: DABT (current EL), IL = 32 bits\\n[    1.509356]   SET = 0, FnV = 0\\n[    1.512416]   EA = 0, S1PTW = 0\\n[    1.515569]   FSC = 0x04: level 0 translation fault\\n[    1.520458] Data abort info:\\n[    1.523349]   ISV = 0, ISS = 0x00000044\\n[    1.527196]   CM = 0, WnR = 1\\n[    1.530176] [0000000000000098] user address but active_mm is swapper\\n[    1.536544] Internal error: Oops: 96000044 [#1] PREEMPT SMP\\n[    1.542125] Modules linked in:\\n[    1.545190] CPU: 3 PID: 7 Comm: kworker/u8:0 Not tainted 5.14.0-dirty #3\\n[    1.551901] Hardware name: Kontron i.MX8MM N801X S (DT)\\n[    1.557133] Workqueue: events_unbound deferred_probe_work_func\\n[    1.562984] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)\\n[    1.568998] pc : imx7d_charger_detection+0x3f0/0x510\\n[    1.573973] lr : imx7d_charger_detection+0x22c/0x510\\n\\nThis happens because the charger functions check for the phy presence\\ninside the imx_usbmisc_data structure (data-\u003eusb_phy), but the chipidea\\ncore populates the usb_phy passed via \u0027phys\u0027 inside \u0027struct ci_hdrc\u0027\\n(ci-\u003eusb_phy) instead.\\n\\nThis causes the NULL pointer dereference inside imx7d_charger_detection().\\n\\nFix it by also searching for \u0027phys\u0027 in case \u0027fsl,usbphy\u0027 is not found.\\n\\nTested on a imx7s-warp board.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: chipidea: ci_hdrc_imx: tambi\u00e9n busque \u0027phys\u0027 phandle. Al pasar \u0027phys\u0027 en el \u00e1rbol de dispositivos para describir el phandle USB PHY (que es la forma recomendada seg\u00fan Documentation/devicetree /bindings/usb/ci-hdrc-usb2.txt) se observa la siguiente desreferencia del puntero NULL en i.MX7 e i.MX8MM: [1.489344] No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 00000000000000098 [1.498170] Informaci\u00f3n de cancelaci\u00f3n de memoria: [ 1.500966] ESR = 0x96000044 [ 1.504030] EC = 0x25: DABT (EL actual), IL = 32 bits [ 1.509356] SET = 0, FnV = 0 [ 1.512416] EA = 0, S1PTW = 0 [ 1.515569] FSC = 0x04: error de traducci\u00f3n de nivel 0 [1.520458] Informaci\u00f3n de cancelaci\u00f3n de datos: [1.523349] ISV = 0, ISS = 0x00000044 [1.527196] CM = 0, WnR = 1 [1.530176] [0000000000000098] direcci\u00f3n de usuario pero active_mm es intercambiador [1.536544 ] Error interno: Ups : 96000044 [#1] PREEMPT SMP [ 1.542125] M\u00f3dulos vinculados en: [ 1.545190] CPU: 3 PID: 7 Comm: kworker/u8:0 Not tainted 5.14.0-dirty #3 [ 1.551901] Nombre de hardware: Kontron i.MX8MM N801X S (DT) [1.557133] Cola de trabajo: events_unbound deferred_probe_work_func [1.562984] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) [1.568998] pc: imx7d_charger_detection+0x3f0/0x510 [ 1. 573973] lr: imx7d_charger_detection+0x22c /0x510 Esto sucede porque las funciones del cargador verifican la presencia de phy dentro de la estructura imx_usbmisc_data (data-\u0026gt;usb_phy), pero el n\u00facleo chipidea llena el usb_phy pasado a trav\u00e9s de \u0027phys\u0027 dentro de \u0027struct ci_hdrc\u0027 (ci-\u0026gt;usb_phy). Esto provoca la desreferencia del puntero NULL dentro de imx7d_charger_detection(). Solucione el problema buscando tambi\u00e9n \u0027phys\u0027 en caso de que no se encuentre \u0027fsl,usbphy\u0027. Probado en una placa imx7s-warp.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/usb/chipidea/ci_hdrc_imx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"746f316b753a83e366bfc5f936cbf0d72d1c2d1d\",\"lessThan\":\"b3265b88e83b16c7be762fa5fb7e0632bce0002c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"746f316b753a83e366bfc5f936cbf0d72d1c2d1d\",\"lessThan\":\"66dd03b10e1c0b2fae006c6e34c18ea8ee033e7b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"746f316b753a83e366bfc5f936cbf0d72d1c2d1d\",\"lessThan\":\"8253a34bfae3278baca52fc1209b7c29270486ca\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/usb/chipidea/ci_hdrc_imx.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.8\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.8\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.73\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.14.12\",\"lessThanOrEqual\":\"5.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15\",\"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\":\"2024-06-11T17:27:34.761405Z\",\"id\":\"CVE-2021-47413\",\"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-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.8\",\"versionEndExcluding\":\"5.10.73\",\"matchCriteriaId\":\"CF25CE87-2A22-42E7-B959-33757194C123\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.14.12\",\"matchCriteriaId\":\"20EB962C-32DC-448F-A900-BCF9A726F9EB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E46C74C6-B76B-4C94-A6A4-FD2FFF62D644\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"60134C3A-06E4-48C1-B04F-2903732A4E56\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"0460DA88-8FE1-46A2-9DDA-1F1ABA552E71\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF55383D-4DF2-45DC-93F7-571F4F978EAB\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/66dd03b10e1c0b2fae006c6e34c18ea8ee033e7b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8253a34bfae3278baca52fc1209b7c29270486ca\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b3265b88e83b16c7be762fa5fb7e0632bce0002c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/66dd03b10e1c0b2fae006c6e34c18ea8ee033e7b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8253a34bfae3278baca52fc1209b7c29270486ca\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b3265b88e83b16c7be762fa5fb7e0632bce0002c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:09:56+00:00",
      "cve": "CVE-2021-47413",
      "id": "CVE-2021-47413",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_affected": "48",
      "product_status:known_not_affected": "150",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: usb: chipidea: ci_hdrc_imx: Also search for \u0027phys\u0027 phandle",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47413.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T02:38:28Z",
      "cve": "CVE-2021-47413",
      "id": "CVE-2021-47413",
      "initial_release_date": "2024-05-28T03:34:03Z",
      "product_status:known_affected": "269",
      "product_status:known_not_affected": "224",
      "product_status:recommended": "543",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-47413",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-47413.json",
      "version": "52"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b3265b88e83b16c7be762fa5fb7e0632bce0002c\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/66dd03b10e1c0b2fae006c6e34c18ea8ee033e7b\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/8253a34bfae3278baca52fc1209b7c29270486ca\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T05:39:59.295Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-47413\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-11T17:27:34.761405Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-11T17:27:41.221Z\"}}], \"cna\": {\"title\": \"usb: chipidea: ci_hdrc_imx: Also search for \u0027phys\u0027 phandle\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"746f316b753a83e366bfc5f936cbf0d72d1c2d1d\", \"lessThan\": \"b3265b88e83b16c7be762fa5fb7e0632bce0002c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"746f316b753a83e366bfc5f936cbf0d72d1c2d1d\", \"lessThan\": \"66dd03b10e1c0b2fae006c6e34c18ea8ee033e7b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"746f316b753a83e366bfc5f936cbf0d72d1c2d1d\", \"lessThan\": \"8253a34bfae3278baca52fc1209b7c29270486ca\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/usb/chipidea/ci_hdrc_imx.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.73\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.14.12\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.14.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/usb/chipidea/ci_hdrc_imx.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b3265b88e83b16c7be762fa5fb7e0632bce0002c\"}, {\"url\": \"https://git.kernel.org/stable/c/66dd03b10e1c0b2fae006c6e34c18ea8ee033e7b\"}, {\"url\": \"https://git.kernel.org/stable/c/8253a34bfae3278baca52fc1209b7c29270486ca\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: chipidea: ci_hdrc_imx: Also search for \u0027phys\u0027 phandle\\n\\nWhen passing \u0027phys\u0027 in the devicetree to describe the USB PHY phandle\\n(which is the recommended way according to\\nDocumentation/devicetree/bindings/usb/ci-hdrc-usb2.txt) the\\nfollowing NULL pointer dereference is observed on i.MX7 and i.MX8MM:\\n\\n[    1.489344] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098\\n[    1.498170] Mem abort info:\\n[    1.500966]   ESR = 0x96000044\\n[    1.504030]   EC = 0x25: DABT (current EL), IL = 32 bits\\n[    1.509356]   SET = 0, FnV = 0\\n[    1.512416]   EA = 0, S1PTW = 0\\n[    1.515569]   FSC = 0x04: level 0 translation fault\\n[    1.520458] Data abort info:\\n[    1.523349]   ISV = 0, ISS = 0x00000044\\n[    1.527196]   CM = 0, WnR = 1\\n[    1.530176] [0000000000000098] user address but active_mm is swapper\\n[    1.536544] Internal error: Oops: 96000044 [#1] PREEMPT SMP\\n[    1.542125] Modules linked in:\\n[    1.545190] CPU: 3 PID: 7 Comm: kworker/u8:0 Not tainted 5.14.0-dirty #3\\n[    1.551901] Hardware name: Kontron i.MX8MM N801X S (DT)\\n[    1.557133] Workqueue: events_unbound deferred_probe_work_func\\n[    1.562984] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)\\n[    1.568998] pc : imx7d_charger_detection+0x3f0/0x510\\n[    1.573973] lr : imx7d_charger_detection+0x22c/0x510\\n\\nThis happens because the charger functions check for the phy presence\\ninside the imx_usbmisc_data structure (data-\u003eusb_phy), but the chipidea\\ncore populates the usb_phy passed via \u0027phys\u0027 inside \u0027struct ci_hdrc\u0027\\n(ci-\u003eusb_phy) instead.\\n\\nThis causes the NULL pointer dereference inside imx7d_charger_detection().\\n\\nFix it by also searching for \u0027phys\u0027 in case \u0027fsl,usbphy\u0027 is not found.\\n\\nTested on a imx7s-warp board.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.73\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.14.12\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15\", \"versionStartIncluding\": \"5.8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T07:10:24.640Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-47413\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T07:10:24.640Z\", \"dateReserved\": \"2024-05-21T14:58:30.818Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T15:04:04.060Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.