254 lines
13 KiB
JSON
254 lines
13 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-98766",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-25T10:25:14.368Z",
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"datePublished": "2026-10-18T15:47:59.061Z",
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"dateUpdated": "2026-10-30T12:39:35.461Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-30T12:39:35.461Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: aspeed-vhub: cancel wake work on device removal\n\nwake_work is armed from the gadget .wakeup callback to resume suspended\ndownstream ports, and it is never cancelled in ast_vhub_remove(), so a\nwork item queued before or during removal can run after devm has freed\nvhub and its ports, a use-after-free.\n\nCancelling the work alone is not sufficient: usb_gadget_wakeup() takes\nno lock and the unbind path never clears wakeup_en, so a remote-wakeup\nrequest in flight on another CPU can re-arm the work after the cancel\nand before vhub is freed.\n\nast_vhub_del_dev() already clears d->registered under vhub->lock before\nunregistering the gadget. Refuse the wakeup in ast_vhub_udc_wakeup()\nonce d->registered is clear: the check and the schedule_work() are then\natomic against the unbind, so a wakeup that passed before the flag was\ncleared is drained by the cancel_work_sync() after the del_dev loop,\nand one that arrives later returns without arming. Also move INIT_WORK()\nto the top of ast_vhub_probe(), since the probe error path reuses\nast_vhub_remove() and would otherwise cancel a never-initialized work\nitem.\n\nThis issue was found by an in-house static analysis tool."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/usb/gadget/udc/aspeed-vhub/core.c",
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"drivers/usb/gadget/udc/aspeed-vhub/dev.c",
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"drivers/usb/gadget/udc/aspeed-vhub/hub.c",
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"drivers/usb/gadget/udc/aspeed-vhub/vhub.h"
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],
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"versions": [
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{
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"version": "7ecca2a4080cb6b1fa174adc588fce9e9014c43c",
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"lessThan": "89b3fef8809ec1a9acf5f753eb89b9508d7e4466",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "7ecca2a4080cb6b1fa174adc588fce9e9014c43c",
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"lessThan": "3aed0c86afa7877d08722233a8b15e8c1ff8bcb8",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "7ecca2a4080cb6b1fa174adc588fce9e9014c43c",
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"lessThan": "552f580a18787cfbd83d28d7d76d584c29f2c4c2",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "7ecca2a4080cb6b1fa174adc588fce9e9014c43c",
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"lessThan": "0d39ac4f65f9357469518c70e42940e0d8b0e497",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "7ecca2a4080cb6b1fa174adc588fce9e9014c43c",
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"lessThan": "f343bfa3fc9f6255602d66f4a7dbe7ddef13ba41",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "7ecca2a4080cb6b1fa174adc588fce9e9014c43c",
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"lessThan": "474e9e1852fb5ba0bfb26f123dd0cb361d0f4f4d",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "7ecca2a4080cb6b1fa174adc588fce9e9014c43c",
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"lessThan": "c81504dfd2d93e345c98e7a012c2f2e74ce5b6a1",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "7ecca2a4080cb6b1fa174adc588fce9e9014c43c",
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"lessThan": "20388c8d1d74c203fec8194c45cd31afdfab934e",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/usb/gadget/udc/aspeed-vhub/core.c",
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"drivers/usb/gadget/udc/aspeed-vhub/dev.c",
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"drivers/usb/gadget/udc/aspeed-vhub/hub.c",
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"drivers/usb/gadget/udc/aspeed-vhub/vhub.h"
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],
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"versions": [
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{
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"version": "4.18",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "4.18",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.273",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.224",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.191",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.160",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.113",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.56",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.10",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.18",
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"versionEndExcluding": "5.10.273"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.18",
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"versionEndExcluding": "5.15.224"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.18",
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"versionEndExcluding": "6.1.191"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.18",
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"versionEndExcluding": "6.6.160"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.18",
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"versionEndExcluding": "6.12.113"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.18",
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"versionEndExcluding": "6.18.56"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.18",
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"versionEndExcluding": "7.2.10"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.18",
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"versionEndExcluding": "7.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/89b3fef8809ec1a9acf5f753eb89b9508d7e4466"
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},
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{
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"url": "https://git.kernel.org/stable/c/3aed0c86afa7877d08722233a8b15e8c1ff8bcb8"
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},
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{
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"url": "https://git.kernel.org/stable/c/552f580a18787cfbd83d28d7d76d584c29f2c4c2"
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},
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{
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"url": "https://git.kernel.org/stable/c/0d39ac4f65f9357469518c70e42940e0d8b0e497"
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},
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{
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"url": "https://git.kernel.org/stable/c/f343bfa3fc9f6255602d66f4a7dbe7ddef13ba41"
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},
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{
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"url": "https://git.kernel.org/stable/c/474e9e1852fb5ba0bfb26f123dd0cb361d0f4f4d"
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},
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{
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"url": "https://git.kernel.org/stable/c/c81504dfd2d93e345c98e7a012c2f2e74ce5b6a1"
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},
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{
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"url": "https://git.kernel.org/stable/c/20388c8d1d74c203fec8194c45cd31afdfab934e"
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}
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],
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"title": "usb: gadget: aspeed-vhub: cancel wake work on device removal",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |