{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47413", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T14:58:30.818Z", "datePublished": "2024-05-21T15:04:04.060Z", "dateUpdated": "2025-05-04T07:10:24.640Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:10:24.640Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle\n\nWhen passing 'phys' 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->usb_phy), but the chipidea\ncore populates the usb_phy passed via 'phys' inside 'struct ci_hdrc'\n(ci->usb_phy) instead.\n\nThis causes the NULL pointer dereference inside imx7d_charger_detection().\n\nFix it by also searching for 'phys' in case 'fsl,usbphy' is not found.\n\nTested on a imx7s-warp board."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/chipidea/ci_hdrc_imx.c"], "versions": [{"version": "746f316b753a83e366bfc5f936cbf0d72d1c2d1d", "lessThan": "b3265b88e83b16c7be762fa5fb7e0632bce0002c", "status": "affected", "versionType": "git"}, {"version": "746f316b753a83e366bfc5f936cbf0d72d1c2d1d", "lessThan": "66dd03b10e1c0b2fae006c6e34c18ea8ee033e7b", "status": "affected", "versionType": "git"}, {"version": "746f316b753a83e366bfc5f936cbf0d72d1c2d1d", "lessThan": "8253a34bfae3278baca52fc1209b7c29270486ca", "status": "affected", 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"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 'phys' phandle\n\nWhen passing 'phys' 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->usb_phy), but the chipidea\ncore populates the usb_phy passed via 'phys' inside 'struct ci_hdrc'\n(ci->usb_phy) instead.\n\nThis causes the NULL pointer dereference inside imx7d_charger_detection().\n\nFix it by also searching for 'phys' in case 'fsl,usbphy' 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"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF25CE87-2A22-42E7-B959-33757194C123", "versionEndExcluding": "5.10.73", "versionStartIncluding": "5.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "20EB962C-32DC-448F-A900-BCF9A726F9EB", "versionEndExcluding": "5.14.12", "versionStartIncluding": "5.11", "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", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle\n\nWhen passing 'phys' 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->usb_phy), but the chipidea\ncore populates the usb_phy passed via 'phys' inside 'struct ci_hdrc'\n(ci->usb_phy) instead.\n\nThis causes the NULL pointer dereference inside imx7d_charger_detection().\n\nFix it by also searching for 'phys' in case 'fsl,usbphy' 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 'phys' phandle. Al pasar 'phys' 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->usb_phy), pero el n\u00facleo chipidea llena el usb_phy pasado a trav\u00e9s de 'phys' dentro de 'struct ci_hdrc' (ci->usb_phy). Esto provoca la desreferencia del puntero NULL dentro de imx7d_charger_detection(). Solucione el problema buscando tambi\u00e9n 'phys' en caso de que no se encuentre 'fsl,usbphy'. Probado en una placa imx7s-warp."}], "id": "CVE-2021-47413", "lastModified": "2024-12-30T20:00:33.497", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-05-21T15:15:26.793", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "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": "af854a3a-2127-422b-91ae-364da2661108", "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"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: usb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle", "id": "2282323", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282323"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle\nWhen passing 'phys' 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[ 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\nThis happens because the charger functions check for the phy presence\ninside the imx_usbmisc_data structure (data->usb_phy), but the chipidea\ncore populates the usb_phy passed via 'phys' inside 'struct ci_hdrc'\n(ci->usb_phy) instead.\nThis causes the NULL pointer dereference inside imx7d_charger_detection().\nFix it by also searching for 'phys' in case 'fsl,usbphy' is not found.\nTested on a imx7s-warp board."], "name": "CVE-2021-47413", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47413\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47413\nhttps://lore.kernel.org/linux-cve-announce/2024052153-CVE-2021-47413-5ff4@gregkh/T"], "threat_severity": "Low"}

{}