{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-97948", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:18:58.204Z", "datePublished": "2026-09-25T10:22:57.757Z", "dateUpdated": "2026-10-19T09:11:14.563Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:11:14.563Z" }, "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)." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/powerpc/kernel/eeh_driver.c" ], "versions": [ { "version": "502f08831a9afb72dc98a56ae6504da43e93b250", "lessThan": "3833dfae0680b6b16e2469fbc90aa48376311cd8", "status": "affected", "versionType": "git" }, { "version": "f56e004b781719d8fdf6c9619b15caf2579bc1f2", "lessThan": "24524fca27da674668941440e8e05cdfec0b0222", "status": "affected", "versionType": "git" }, { "version": "59c6d3d81d42bf543c90597b4f38c53d6874c5a1", "lessThan": "a58531181363219fa5de2b53d5d7274dcdfca98b", "status": "affected", "versionType": "git" }, { "version": "a426e8a6ae161f51888585b065db0f8f93ab2e16", "lessThan": "460fab22b65138531082910702f74b048b25237b", "status": "affected", "versionType": "git" }, { "version": "d2c60a8a387e9fcc28447ef36c03f8e49fd052a6", "lessThan": "102e3dc5ab5ba052e294819e83384166b242c1ec", "status": "affected", "versionType": "git" }, { "version": "1010b4c012b0d78dfb9d3132b49aa2ef024a07a7", "lessThan": "2920af33d097ca335e492b346af70b72986ad6dc", "status": "affected", "versionType": "git" }, { "version": "1010b4c012b0d78dfb9d3132b49aa2ef024a07a7", "lessThan": "85d8eaefc052cf3e5ae2c7bafeda2db68b8898b4", "status": "affected", "versionType": "git" }, { "version": "1010b4c012b0d78dfb9d3132b49aa2ef024a07a7", "lessThan": "c5e68706527968282e49de205cc2b935823cb88a", "status": "affected", "versionType": "git" }, { "version": "d42bbd8f30ac38b1ce54715bf08ec3dac18d6b25", "status": "affected", "versionType": "git" }, { "version": "19d5036e7ad766cf212aebec23b9f1d7924a62bc", "status": "affected", "versionType": "git" }, { "version": "5.10.241", "lessThan": "5.10.271", "status": "affected", "versionType": "semver" }, { "version": "5.15.190", "lessThan": "5.15.222", "status": "affected", "versionType": "semver" }, { "version": "6.1.148", "lessThan": "6.1.189", "status": "affected", "versionType": "semver" }, { "version": "6.6.102", "lessThan": "6.6.158", "status": "affected", "versionType": "semver" }, { "version": "6.12.42", "lessThan": "6.12.111", "status": "affected", "versionType": "semver" }, { "version": "6.15.10", "lessThan": "6.16", "status": "affected", "versionType": "semver" }, { "version": "6.16.1", "lessThan": "6.17", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/powerpc/kernel/eeh_driver.c" ], "versions": [ { "version": "6.17", "status": "affected" }, { "version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.271", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.3", "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": "5.10.241", "versionEndExcluding": "5.10.271" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.190", "versionEndExcluding": "5.15.222" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.148", "versionEndExcluding": "6.1.189" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.102", "versionEndExcluding": "6.6.158" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.42", "versionEndExcluding": "6.12.111" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "6.18.53" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.2.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.3" }, { "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" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/3833dfae0680b6b16e2469fbc90aa48376311cd8" }, { "url": "https://git.kernel.org/stable/c/24524fca27da674668941440e8e05cdfec0b0222" }, { "url": "https://git.kernel.org/stable/c/a58531181363219fa5de2b53d5d7274dcdfca98b" }, { "url": "https://git.kernel.org/stable/c/460fab22b65138531082910702f74b048b25237b" }, { "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" } } } }