{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-05-11T13:54:13.468Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:54:13.468Z" }, "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", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/usb/chipidea/ci_hdrc_imx.c" ], "versions": [ { "version": "5.8", "status": "affected" }, { "version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.73", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.14.12", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.10.73" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.14.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.15" } ] } ] } ], "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" } ], "title": "usb: chipidea: ci_hdrc_imx: Also search for 'phys' phandle", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-11T17:27:34.761405Z", "id": "CVE-2021-47413", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-11T17:27:45.884Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.295Z" }, "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" ] } ] } ] } }