{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2025-68327", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-68327", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-12-22T16:12:21.402Z", "updatedAt": "2026-05-11T21:51:02.064Z", "importedAt": "2026-10-24T01:57:44.935Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "usb: renesas_usbhs: Fix synchronous external abort on unbind", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: renesas_usbhs: Fix synchronous external abort on unbind\n\nA synchronous external abort occurs on the Renesas RZ/G3S SoC if unbind is\nexecuted after the configuration sequence described above:\n\nmodprobe usb_f_ecm\nmodprobe libcomposite\nmodprobe configfs\ncd /sys/kernel/config/usb_gadget\nmkdir -p g1\ncd g1\necho \"0x1d6b\" > idVendor\necho \"0x0104\" > idProduct\nmkdir -p strings/0x409\necho \"0123456789\" > strings/0x409/serialnumber\necho \"Renesas.\" > strings/0x409/manufacturer\necho \"Ethernet Gadget\" > strings/0x409/product\nmkdir -p functions/ecm.usb0\nmkdir -p configs/c.1\nmkdir -p configs/c.1/strings/0x409\necho \"ECM\" > configs/c.1/strings/0x409/configuration\n\nif [ ! -L configs/c.1/ecm.usb0 ]; then\n ln -s functions/ecm.usb0 configs/c.1\nfi\n\necho 11e20000.usb > UDC\necho 11e20000.usb > /sys/bus/platform/drivers/renesas_usbhs/unbind\n\nThe displayed trace is as follows:\n\n Internal error: synchronous external abort: 0000000096000010 [#1] SMP\n CPU: 0 UID: 0 PID: 188 Comm: sh Tainted: G M 6.17.0-rc7-next-20250922-00010-g41050493b2bd #55 PREEMPT\n Tainted: [M]=MACHINE_CHECK\n Hardware name: Renesas SMARC EVK version 2 based on r9a08g045s33 (DT)\n pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : usbhs_sys_function_pullup+0x10/0x40 [renesas_usbhs]\n lr : usbhsg_update_pullup+0x3c/0x68 [renesas_usbhs]\n sp : ffff8000838b3920\n x29: ffff8000838b3920 x28: ffff00000d585780 x27: 0000000000000000\n x26: 0000000000000000 x25: 0000000000000000 x24: ffff00000c3e3810\n x23: ffff00000d5e5c80 x22: ffff00000d5e5d40 x21: 0000000000000000\n x20: 0000000000000000 x19: ffff00000d5e5c80 x18: 0000000000000020\n x17: 2e30303230316531 x16: 312d7968703a7968 x15: 3d454d414e5f4344\n x14: 000000000000002c x13: 0000000000000000 x12: 0000000000000000\n x11: ffff00000f358f38 x10: ffff00000f358db0 x9 : ffff00000b41f418\n x8 : 0101010101010101 x7 : 7f7f7f7f7f7f7f7f x6 : fefefeff6364626d\n x5 : 8080808000000000 x4 : 000000004b5ccb9d x3 : 0000000000000000\n x2 : 0000000000000000 x1 : ffff800083790000 x0 : ffff00000d5e5c80\n Call trace:\n usbhs_sys_function_pullup+0x10/0x40 [renesas_usbhs] (P)\n usbhsg_pullup+0x4c/0x7c [renesas_usbhs]\n usb_gadget_disconnect_locked+0x48/0xd4\n gadget_unbind_driver+0x44/0x114\n device_remove+0x4c/0x80\n device_release_driver_internal+0x1c8/0x224\n device_release_driver+0x18/0x24\n bus_remove_device+0xcc/0x10c\n device_del+0x14c/0x404\n usb_del_gadget+0x88/0xc0\n usb_del_gadget_udc+0x18/0x30\n usbhs_mod_gadget_remove+0x24/0x44 [renesas_usbhs]\n usbhs_mod_remove+0x20/0x30 [renesas_usbhs]\n usbhs_remove+0x98/0xdc [renesas_usbhs]\n platform_remove+0x20/0x30\n device_remove+0x4c/0x80\n device_release_driver_internal+0x1c8/0x224\n device_driver_detach+0x18/0x24\n unbind_store+0xb4/0xb8\n drv_attr_store+0x24/0x38\n sysfs_kf_write+0x7c/0x94\n kernfs_fop_write_iter+0x128/0x1b8\n vfs_write+0x2ac/0x350\n ksys_write+0x68/0xfc\n __arm64_sys_write+0x1c/0x28\n invoke_syscall+0x48/0x110\n el0_svc_common.constprop.0+0xc0/0xe0\n do_el0_svc+0x1c/0x28\n el0_svc+0x34/0xf0\n el0t_64_sync_handler+0xa0/0xe4\n el0t_64_sync+0x198/0x19c\n Code: 7100003f 1a9f07e1 531c6c22 f9400001 (79400021)\n ---[ end trace 0000000000000000 ]---\n note: sh[188] exited with irqs disabled\n note: sh[188] exited with preempt_count 1\n\nThe issue occurs because usbhs_sys_function_pullup(), which accesses the IP\nregisters, is executed after the USBHS clocks have been disabled. The\nproblem is reproducible on the Renesas RZ/G3S SoC starting with the\naddition of module stop in the clock enable/disable APIs. With module stop\nfunctionality enabled, a bus error is expected if a master accesses a\nmodule whose clock has been stopped and module stop activated.\n\nDisable the IP clocks at the end of remove.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "f1407d5c66240b33d11a7f1a41d55ccf6a9d7647", "status": "affected", "versionType": "git", "lessThan": "fd1a7bf3a8cac13f6d2d52d8c7570ba41621db9a" }, { "version": "f1407d5c66240b33d11a7f1a41d55ccf6a9d7647", "status": "affected", "versionType": "git", "lessThan": "cd5e86e34c66a831b5cb9b720ad411a006962cc8" }, { "version": "f1407d5c66240b33d11a7f1a41d55ccf6a9d7647", "status": "affected", "versionType": "git", "lessThan": "230b1bc1310edcd5c1b71dcd6b77ccba43139cb5" }, { "version": "f1407d5c66240b33d11a7f1a41d55ccf6a9d7647", "status": "affected", "versionType": "git", "lessThan": "9d86bc8b188a77c8d6f7252280ec2bd24ad6fbc1" }, { "version": "f1407d5c66240b33d11a7f1a41d55ccf6a9d7647", "status": "affected", "versionType": "git", "lessThan": "26838f147aeaa8f820ff799d72815fba5e209bd9" }, { "version": "f1407d5c66240b33d11a7f1a41d55ccf6a9d7647", "status": "affected", "versionType": "git", "lessThan": "aa658a6d5ac21c7cde54c6d015f2d4daff32e02d" }, { "version": "f1407d5c66240b33d11a7f1a41d55ccf6a9d7647", "status": "affected", "versionType": "git", "lessThan": "eb9ac779830b2235847b72cb15cf07c7e3333c5e" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "3.0", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "3.0" }, { "version": "5.10.247", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.197", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.159", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.119", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.61", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.17.11", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.17.*" }, { "version": "6.18", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }