| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47413", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
