{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"HIGH" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fix role switching during resume\n\nIf the role change while we are suspended, the cdns3 driver switches to the\nnew mode during resume. However, switching to host mode in this context\ncauses a NULL pointer dereference.\n\nThe host role's start() operation registers a xhci-hcd device, but its\nprobe is deferred while we are in the resume path. The host role's resume()\noperation assumes the xhci-hcd device is already probed, which is not the\ncase, leading to the dereference. Since the start() operation of the new\nrole is already called, the resume operation can be skipped.\n\nSo skip the resume operation for the new role if a role switch occurs\nduring resume. Once the resume sequence is complete, the xhci-hcd device\ncan be probed in case of host mode.\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000208\nMem abort info:\n...\nData abort info:\n...\n[0000000000000208] pgd=0000000000000000, p4d=0000000000000000\nInternal error: Oops: 0000000096000004 [#1] SMP\nModules linked in:\nCPU: 0 UID: 0 PID: 146 Comm: sh Not tainted\n6.19.0-rc7-00013-g6e64f4aabfae-dirty #135 PREEMPT\nHardware name: Texas Instruments J7200 EVM (DT)\npstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : usb_hcd_is_primary_hcd+0x0/0x1c\nlr : cdns_host_resume+0x24/0x5c\n...\nCall trace:\n usb_hcd_is_primary_hcd+0x0/0x1c (P)\n cdns_resume+0x6c/0xbc\n cdns3_controller_resume.isra.0+0xe8/0x17c\n cdns3_plat_resume+0x18/0x24\n platform_pm_resume+0x2c/0x68\n dpm_run_callback+0x90/0x248\n device_resume+0x100/0x24c\n dpm_resume+0x190/0x2ec\n dpm_resume_end+0x18/0x34\n suspend_devices_and_enter+0x2b0/0xa44\n pm_suspend+0x16c/0x5fc\n state_store+0x80/0xec\n kobj_attr_store+0x18/0x2c\n sysfs_kf_write+0x7c/0x94\n kernfs_fop_write_iter+0x130/0x1dc\n vfs_write+0x240/0x370\n ksys_write+0x70/0x108\n __arm64_sys_write+0x1c/0x28\n invoke_syscall+0x48/0x10c\n el0_svc_common.constprop.0+0x40/0xe0\n do_el0_svc+0x1c/0x28\n el0_svc+0x34/0x108\n el0t_64_sync_handler+0xa0/0xe4\n el0t_64_sync+0x198/0x19c\nCode: 52800003 f9407ca5 d63f00a0 17ffffe4 (f9410401)\n---[ end trace 0000000000000000 ]---", "category":"general", "title":"Synopsis" } ], "publisher":null, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45911" }, { "summary":"CVE-2026-45911 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2026/csaf-openeuler-cve-2026-45911.json" }, { "summary":"openEuler-SA-2026-2582", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2582" }, { "summary":"CVE-2026-45911", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-45911&packageName=kernel" } ], "title":"openEuler cve CVE-2026-45911", "tracking":{ "initial_release_date":"2026-06-08T15:17:18+08:00", "revision_history":[ { "date":"2026-06-08T15:17:18+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2026-06-08T15:17:18+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2026-06-08T15:17:18+08:00", "id":"CVE-2026-45911", "version":"1.0.0", "status":"interim" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", "branches":[ { "name":"openEuler", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:24.03-LTS-SP3" }, "product_id":"openEuler-24.03-LTS-SP3", "name":"openEuler-24.03-LTS-SP3" }, "name":"openEuler-24.03-LTS-SP3", "category":"product_version" } ], "category":"product_name" }, { "name":"aarch64", 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resume\n\nIf the role change while we are suspended, the cdns3 driver switches to the\nnew mode during resume. However, switching to host mode in this context\ncauses a NULL pointer dereference.\n\nThe host role's start() operation registers a xhci-hcd device, but its\nprobe is deferred while we are in the resume path. The host role's resume()\noperation assumes the xhci-hcd device is already probed, which is not the\ncase, leading to the dereference. Since the start() operation of the new\nrole is already called, the resume operation can be skipped.\n\nSo skip the resume operation for the new role if a role switch occurs\nduring resume. Once the resume sequence is complete, the xhci-hcd device\ncan be probed in case of host mode.\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000208\nMem abort info:\n...\nData abort info:\n...\n[0000000000000208] pgd=0000000000000000, p4d=0000000000000000\nInternal error: Oops: 0000000096000004 [#1] SMP\nModules linked in:\nCPU: 0 UID: 0 PID: 146 Comm: sh Not tainted\n6.19.0-rc7-00013-g6e64f4aabfae-dirty #135 PREEMPT\nHardware name: Texas Instruments J7200 EVM (DT)\npstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : usb_hcd_is_primary_hcd+0x0/0x1c\nlr : cdns_host_resume+0x24/0x5c\n...\nCall trace:\n usb_hcd_is_primary_hcd+0x0/0x1c (P)\n cdns_resume+0x6c/0xbc\n cdns3_controller_resume.isra.0+0xe8/0x17c\n cdns3_plat_resume+0x18/0x24\n platform_pm_resume+0x2c/0x68\n dpm_run_callback+0x90/0x248\n device_resume+0x100/0x24c\n dpm_resume+0x190/0x2ec\n dpm_resume_end+0x18/0x34\n suspend_devices_and_enter+0x2b0/0xa44\n pm_suspend+0x16c/0x5fc\n state_store+0x80/0xec\n kobj_attr_store+0x18/0x2c\n sysfs_kf_write+0x7c/0x94\n kernfs_fop_write_iter+0x130/0x1dc\n vfs_write+0x240/0x370\n ksys_write+0x70/0x108\n __arm64_sys_write+0x1c/0x28\n invoke_syscall+0x48/0x10c\n el0_svc_common.constprop.0+0x40/0xe0\n do_el0_svc+0x1c/0x28\n el0_svc+0x34/0x108\n el0t_64_sync_handler+0xa0/0xe4\n el0t_64_sync+0x198/0x19c\nCode: 52800003 f9407ca5 d63f00a0 17ffffe4 (f9410401)\n---[ end trace 0000000000000000 ]---", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS-SP3:bpftool-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:bpftool-debuginfo-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:kernel-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:kernel-debuginfo-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:kernel-debugsource-6.6.0-145.3.14.145.oe2403sp3.aarch64", 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"openEuler-24.03-LTS-SP3:kernel-6.6.0-145.3.14.145.oe2403sp3.src" ], "details":"kernel security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2582" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":5.5, "vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version":"3.1" }, "products":[ "openEuler-24.03-LTS-SP3:bpftool-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:bpftool-debuginfo-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:kernel-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:kernel-debuginfo-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:kernel-debugsource-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:kernel-devel-6.6.0-145.3.14.145.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:kernel-extra-modules-6.6.0-145.3.14.145.oe2403sp3.aarch64", 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