{"api_version":"1","generated_at":"2026-09-26T06:39:44+00:00","cve":"CVE-2026-97948","urls":{"html":"https://cve.report/CVE-2026-97948","api":"https://cve.report/api/cve/CVE-2026-97948.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-97948","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-97948"},"summary":{"title":"powerpc/eeh: Fix recursive locking on devices without EEH sensitive driver","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/eeh: Fix recursive locking on devices without EEH sensitive driver\n\nThe commit 1010b4c012b0 (\"powerpc/eeh: Make EEH driver device hotplug\nsafe\") refactored the EEH code such that the pci_rescan_remove_lock is\nheld at the beginning of eeh_handle_normal_event() and the\neeh_reset_device() is called with that lock being held. Looks like the\ncommit missed to remove the existing lock/unlock inside eeh_rmv_device()\nwhich is no longer necessary. This is causing the eehd to hang on the\nlock which it actually holds when that code path is taken.\n\n[<0>] 0xc00000011c78f870\n[<0>] __switch_to+0xfc/0x1a0\n[<0>] pci_lock_rescan_remove+0x30/0x44\n[<0>] eeh_rmv_device+0x290/0x2e0\n[<0>] eeh_pe_dev_traverse+0x80/0x130\n[<0>] eeh_reset_device+0xcc/0x23c\n[<0>] eeh_handle_normal_event+0x830/0xa80\n[<0>] eeh_event_handler+0xf8/0x190\n[<0>] kthread+0x194/0x1b0\n[<0>] start_kernel_thread+0x14/0x18\n\nThe issue is seen for cases where the errors are detected on the PHB\ndirectly AND|OR for devices where the driver error_detected() returns\nPCI_ERS_RESULT_NEED_RESET, and driver being not EEH sensitive(i.e no\nerror handlers like slot_reset(), resume() etc defined).","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:22","updated_at":"2026-09-25 11:17:22"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/2920af33d097ca335e492b346af70b72986ad6dc","name":"https://git.kernel.org/stable/c/2920af33d097ca335e492b346af70b72986ad6dc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/85d8eaefc052cf3e5ae2c7bafeda2db68b8898b4","name":"https://git.kernel.org/stable/c/85d8eaefc052cf3e5ae2c7bafeda2db68b8898b4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/102e3dc5ab5ba052e294819e83384166b242c1ec","name":"https://git.kernel.org/stable/c/102e3dc5ab5ba052e294819e83384166b242c1ec","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c5e68706527968282e49de205cc2b935823cb88a","name":"https://git.kernel.org/stable/c/c5e68706527968282e49de205cc2b935823cb88a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97948","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97948","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d2c60a8a387e9fcc28447ef36c03f8e49fd052a6 102e3dc5ab5ba052e294819e83384166b242c1ec git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1010b4c012b0d78dfb9d3132b49aa2ef024a07a7 2920af33d097ca335e492b346af70b72986ad6dc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1010b4c012b0d78dfb9d3132b49aa2ef024a07a7 85d8eaefc052cf3e5ae2c7bafeda2db68b8898b4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1010b4c012b0d78dfb9d3132b49aa2ef024a07a7 c5e68706527968282e49de205cc2b935823cb88a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 502f08831a9afb72dc98a56ae6504da43e93b250 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f56e004b781719d8fdf6c9619b15caf2579bc1f2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 59c6d3d81d42bf543c90597b4f38c53d6874c5a1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a426e8a6ae161f51888585b065db0f8f93ab2e16 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d42bbd8f30ac38b1ce54715bf08ec3dac18d6b25 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 19d5036e7ad766cf212aebec23b9f1d7924a62bc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.42 6.12.111 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.10.241 5.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15.190 5.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1.148 6.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.102 6.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.15.10 6.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.16.1 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/powerpc/kernel/eeh_driver.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"102e3dc5ab5ba052e294819e83384166b242c1ec","status":"affected","version":"d2c60a8a387e9fcc28447ef36c03f8e49fd052a6","versionType":"git"},{"lessThan":"2920af33d097ca335e492b346af70b72986ad6dc","status":"affected","version":"1010b4c012b0d78dfb9d3132b49aa2ef024a07a7","versionType":"git"},{"lessThan":"85d8eaefc052cf3e5ae2c7bafeda2db68b8898b4","status":"affected","version":"1010b4c012b0d78dfb9d3132b49aa2ef024a07a7","versionType":"git"},{"lessThan":"c5e68706527968282e49de205cc2b935823cb88a","status":"affected","version":"1010b4c012b0d78dfb9d3132b49aa2ef024a07a7","versionType":"git"},{"status":"affected","version":"502f08831a9afb72dc98a56ae6504da43e93b250","versionType":"git"},{"status":"affected","version":"f56e004b781719d8fdf6c9619b15caf2579bc1f2","versionType":"git"},{"status":"affected","version":"59c6d3d81d42bf543c90597b4f38c53d6874c5a1","versionType":"git"},{"status":"affected","version":"a426e8a6ae161f51888585b065db0f8f93ab2e16","versionType":"git"},{"status":"affected","version":"d42bbd8f30ac38b1ce54715bf08ec3dac18d6b25","versionType":"git"},{"status":"affected","version":"19d5036e7ad766cf212aebec23b9f1d7924a62bc","versionType":"git"},{"lessThan":"6.12.111","status":"affected","version":"6.12.42","versionType":"semver"},{"lessThan":"5.11","status":"affected","version":"5.10.241","versionType":"semver"},{"lessThan":"5.16","status":"affected","version":"5.15.190","versionType":"semver"},{"lessThan":"6.2","status":"affected","version":"6.1.148","versionType":"semver"},{"lessThan":"6.7","status":"affected","version":"6.6.102","versionType":"semver"},{"lessThan":"6.16","status":"affected","version":"6.15.10","versionType":"semver"},{"lessThan":"6.17","status":"affected","version":"6.16.1","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["arch/powerpc/kernel/eeh_driver.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"6.12.42","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc3","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.241","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.190","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.148","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.102","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/eeh: Fix recursive locking on devices without EEH sensitive driver\n\nThe commit 1010b4c012b0 (\"powerpc/eeh: Make EEH driver device hotplug\nsafe\") refactored the EEH code such that the pci_rescan_remove_lock is\nheld at the beginning of eeh_handle_normal_event() and the\neeh_reset_device() is called with that lock being held. Looks like the\ncommit missed to remove the existing lock/unlock inside eeh_rmv_device()\nwhich is no longer necessary. This is causing the eehd to hang on the\nlock which it actually holds when that code path is taken.\n\n[<0>] 0xc00000011c78f870\n[<0>] __switch_to+0xfc/0x1a0\n[<0>] pci_lock_rescan_remove+0x30/0x44\n[<0>] eeh_rmv_device+0x290/0x2e0\n[<0>] eeh_pe_dev_traverse+0x80/0x130\n[<0>] eeh_reset_device+0xcc/0x23c\n[<0>] eeh_handle_normal_event+0x830/0xa80\n[<0>] eeh_event_handler+0xf8/0x190\n[<0>] kthread+0x194/0x1b0\n[<0>] start_kernel_thread+0x14/0x18\n\nThe issue is seen for cases where the errors are detected on the PHB\ndirectly AND|OR for devices where the driver error_detected() returns\nPCI_ERS_RESULT_NEED_RESET, and driver being not EEH sensitive(i.e no\nerror handlers like slot_reset(), resume() etc defined)."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:22:57.757Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/102e3dc5ab5ba052e294819e83384166b242c1ec"},{"url":"https://git.kernel.org/stable/c/2920af33d097ca335e492b346af70b72986ad6dc"},{"url":"https://git.kernel.org/stable/c/85d8eaefc052cf3e5ae2c7bafeda2db68b8898b4"},{"url":"https://git.kernel.org/stable/c/c5e68706527968282e49de205cc2b935823cb88a"}],"title":"powerpc/eeh: Fix recursive locking on devices without EEH sensitive driver","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-97948","datePublished":"2026-09-25T10:22:57.757Z","dateReserved":"2026-09-25T10:18:58.204Z","dateUpdated":"2026-09-25T10:22:57.757Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:22","lastModifiedDate":"2026-09-25 11:17:22","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"97948","Ordinal":"1","Title":"powerpc/eeh: Fix recursive locking on devices without EEH sensit","CVE":"CVE-2026-97948","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"97948","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/eeh: Fix recursive locking on devices without EEH sensitive driver\n\nThe commit 1010b4c012b0 (\"powerpc/eeh: Make EEH driver device hotplug\nsafe\") refactored the EEH code such that the pci_rescan_remove_lock is\nheld at the beginning of eeh_handle_normal_event() and the\neeh_reset_device() is called with that lock being held. Looks like the\ncommit missed to remove the existing lock/unlock inside eeh_rmv_device()\nwhich is no longer necessary. This is causing the eehd to hang on the\nlock which it actually holds when that code path is taken.\n\n[<0>] 0xc00000011c78f870\n[<0>] __switch_to+0xfc/0x1a0\n[<0>] pci_lock_rescan_remove+0x30/0x44\n[<0>] eeh_rmv_device+0x290/0x2e0\n[<0>] eeh_pe_dev_traverse+0x80/0x130\n[<0>] eeh_reset_device+0xcc/0x23c\n[<0>] eeh_handle_normal_event+0x830/0xa80\n[<0>] eeh_event_handler+0xf8/0x190\n[<0>] kthread+0x194/0x1b0\n[<0>] start_kernel_thread+0x14/0x18\n\nThe issue is seen for cases where the errors are detected on the PHB\ndirectly AND|OR for devices where the driver error_detected() returns\nPCI_ERS_RESULT_NEED_RESET, and driver being not EEH sensitive(i.e no\nerror handlers like slot_reset(), resume() etc defined).","Type":"Description","Title":"powerpc/eeh: Fix recursive locking on devices without EEH sensit"}]}}}