{"api_version":"1","generated_at":"2026-08-20T07:29:11+00:00","cve":"CVE-2024-35968","urls":{"html":"https://cve.report/CVE-2024-35968","api":"https://cve.report/api/cve/CVE-2024-35968.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-35968","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-35968"},"summary":{"title":"pds_core: Fix pdsc_check_pci_health function to use work thread","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: Fix pdsc_check_pci_health function to use work thread\n\nWhen the driver notices fw_status == 0xff it tries to perform a PCI\nreset on itself via pci_reset_function() in the context of the driver's\nhealth thread. However, pdsc_reset_prepare calls\npdsc_stop_health_thread(), which attempts to stop/flush the health\nthread. This results in a deadlock because the stop/flush will never\ncomplete since the driver called pci_reset_function() from the health\nthread context. Fix by changing the pdsc_check_pci_health_function()\nto queue a newly introduced pdsc_pci_reset_thread() on the pdsc's\nwork queue.\n\nUnloading the driver in the fw_down/dead state uncovered another issue,\nwhich can be seen in the following trace:\n\nWARNING: CPU: 51 PID: 6914 at kernel/workqueue.c:1450 __queue_work+0x358/0x440\n[...]\nRIP: 0010:__queue_work+0x358/0x440\n[...]\nCall Trace:\n <TASK>\n ? __warn+0x85/0x140\n ? __queue_work+0x358/0x440\n ? report_bug+0xfc/0x1e0\n ? handle_bug+0x3f/0x70\n ? exc_invalid_op+0x17/0x70\n ? asm_exc_invalid_op+0x1a/0x20\n ? __queue_work+0x358/0x440\n queue_work_on+0x28/0x30\n pdsc_devcmd_locked+0x96/0xe0 [pds_core]\n pdsc_devcmd_reset+0x71/0xb0 [pds_core]\n pdsc_teardown+0x51/0xe0 [pds_core]\n pdsc_remove+0x106/0x200 [pds_core]\n pci_device_remove+0x37/0xc0\n device_release_driver_internal+0xae/0x140\n driver_detach+0x48/0x90\n bus_remove_driver+0x6d/0xf0\n pci_unregister_driver+0x2e/0xa0\n pdsc_cleanup_module+0x10/0x780 [pds_core]\n __x64_sys_delete_module+0x142/0x2b0\n ? syscall_trace_enter.isra.18+0x126/0x1a0\n do_syscall_64+0x3b/0x90\n entry_SYSCALL_64_after_hwframe+0x72/0xdc\nRIP: 0033:0x7fbd9d03a14b\n[...]\n\nFix this by preventing the devcmd reset if the FW is not running.","state":"PUBLISHED","assigner":"Linux","published_at":"2024-05-20 10:15:11","updated_at":"2026-08-04 11:18:16"},"problem_types":["CWE-667"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/38407914d48273d7f8ab765b9243658afe1c3ab6","name":"https://git.kernel.org/stable/c/38407914d48273d7f8ab765b9243658afe1c3ab6","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/81665adf25d28a00a986533f1d3a5df76b79cad9","name":"https://git.kernel.org/stable/c/81665adf25d28a00a986533f1d3a5df76b79cad9","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-35968","name":"CVE 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2024","cve_id":"35968","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2024-35968","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-05-21T15:11:50.638119Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2024-06-04T17:34:48.818Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP 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Container"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/amd/pds_core/core.c","drivers/net/ethernet/amd/pds_core/core.h","drivers/net/ethernet/amd/pds_core/dev.c","drivers/net/ethernet/amd/pds_core/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"38407914d48273d7f8ab765b9243658afe1c3ab6","status":"affected","version":"1e18ec3e9d46e4ad2b6507c3bfc7f59e2ab449a2","versionType":"git"},{"lessThan":"81665adf25d28a00a986533f1d3a5df76b79cad9","status":"affected","version":"1e18ec3e9d46e4ad2b6507c3bfc7f59e2ab449a2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/amd/pds_core/core.c","drivers/net/ethernet/amd/pds_core/core.h","drivers/net/ethernet/amd/pds_core/dev.c","drivers/net/ethernet/amd/pds_core/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.8.*","status":"unaffected","version":"6.8.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.9","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.8.7","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.9","versionStartIncluding":"6.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: Fix pdsc_check_pci_health function to use work thread\n\nWhen the driver notices fw_status == 0xff it tries to perform a PCI\nreset on itself via pci_reset_function() in the context of the driver's\nhealth thread. However, pdsc_reset_prepare calls\npdsc_stop_health_thread(), which attempts to stop/flush the health\nthread. This results in a deadlock because the stop/flush will never\ncomplete since the driver called pci_reset_function() from the health\nthread context. Fix by changing the pdsc_check_pci_health_function()\nto queue a newly introduced pdsc_pci_reset_thread() on the pdsc's\nwork queue.\n\nUnloading the driver in the fw_down/dead state uncovered another issue,\nwhich can be seen in the following trace:\n\nWARNING: CPU: 51 PID: 6914 at kernel/workqueue.c:1450 __queue_work+0x358/0x440\n[...]\nRIP: 0010:__queue_work+0x358/0x440\n[...]\nCall Trace:\n <TASK>\n ? __warn+0x85/0x140\n ? __queue_work+0x358/0x440\n ? report_bug+0xfc/0x1e0\n ? handle_bug+0x3f/0x70\n ? exc_invalid_op+0x17/0x70\n ? asm_exc_invalid_op+0x1a/0x20\n ? __queue_work+0x358/0x440\n queue_work_on+0x28/0x30\n pdsc_devcmd_locked+0x96/0xe0 [pds_core]\n pdsc_devcmd_reset+0x71/0xb0 [pds_core]\n pdsc_teardown+0x51/0xe0 [pds_core]\n pdsc_remove+0x106/0x200 [pds_core]\n pci_device_remove+0x37/0xc0\n device_release_driver_internal+0xae/0x140\n driver_detach+0x48/0x90\n bus_remove_driver+0x6d/0xf0\n pci_unregister_driver+0x2e/0xa0\n pdsc_cleanup_module+0x10/0x780 [pds_core]\n __x64_sys_delete_module+0x142/0x2b0\n ? syscall_trace_enter.isra.18+0x126/0x1a0\n do_syscall_64+0x3b/0x90\n entry_SYSCALL_64_after_hwframe+0x72/0xdc\nRIP: 0033:0x7fbd9d03a14b\n[...]\n\nFix this by preventing the devcmd reset if the FW is not running."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:24:13.099Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/38407914d48273d7f8ab765b9243658afe1c3ab6"},{"url":"https://git.kernel.org/stable/c/81665adf25d28a00a986533f1d3a5df76b79cad9"}],"title":"pds_core: Fix pdsc_check_pci_health function to use work thread","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-35968","datePublished":"2024-05-20T09:41:57.162Z","dateReserved":"2024-05-17T13:50:33.140Z","dateUpdated":"2026-08-04T09:24:13.099Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-05-20 10:15:11","lastModifiedDate":"2026-08-04 11:18:16","problem_types":["CWE-667"],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-05-21T15:11:50.638119Z","id":"CVE-2024-35968","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.16","versionEndExcluding":"6.7","matchCriteriaId":"CA039DA0-F81C-49F2-8BC2-CBBCF83EE6A4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7.4","versionEndExcluding":"6.8.7","matchCriteriaId":"DA814412-CD30-4333-AA23-FB18D865BFD6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*","matchCriteriaId":"22BEDD49-2C6D-402D-9DBF-6646F6ECD10B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*","matchCriteriaId":"DF73CB2A-DFFD-46FB-9BFE-AA394F27EA37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:*","matchCriteriaId":"52048DDA-FC5A-4363-95A0-A6357B4D7F8C"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2024","CveId":"35968","Ordinal":"1","Title":"pds_core: Fix pdsc_check_pci_health function to use work thread","CVE":"CVE-2024-35968","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"35968","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: Fix pdsc_check_pci_health function to use work thread\n\nWhen the driver notices fw_status == 0xff it tries to perform a PCI\nreset on itself via pci_reset_function() in the context of the driver's\nhealth thread. However, pdsc_reset_prepare calls\npdsc_stop_health_thread(), which attempts to stop/flush the health\nthread. This results in a deadlock because the stop/flush will never\ncomplete since the driver called pci_reset_function() from the health\nthread context. Fix by changing the pdsc_check_pci_health_function()\nto queue a newly introduced pdsc_pci_reset_thread() on the pdsc's\nwork queue.\n\nUnloading the driver in the fw_down/dead state uncovered another issue,\nwhich can be seen in the following trace:\n\nWARNING: CPU: 51 PID: 6914 at kernel/workqueue.c:1450 __queue_work+0x358/0x440\n[...]\nRIP: 0010:__queue_work+0x358/0x440\n[...]\nCall Trace:\n <TASK>\n ? __warn+0x85/0x140\n ? __queue_work+0x358/0x440\n ? report_bug+0xfc/0x1e0\n ? handle_bug+0x3f/0x70\n ? exc_invalid_op+0x17/0x70\n ? asm_exc_invalid_op+0x1a/0x20\n ? __queue_work+0x358/0x440\n queue_work_on+0x28/0x30\n pdsc_devcmd_locked+0x96/0xe0 [pds_core]\n pdsc_devcmd_reset+0x71/0xb0 [pds_core]\n pdsc_teardown+0x51/0xe0 [pds_core]\n pdsc_remove+0x106/0x200 [pds_core]\n pci_device_remove+0x37/0xc0\n device_release_driver_internal+0xae/0x140\n driver_detach+0x48/0x90\n bus_remove_driver+0x6d/0xf0\n pci_unregister_driver+0x2e/0xa0\n pdsc_cleanup_module+0x10/0x780 [pds_core]\n __x64_sys_delete_module+0x142/0x2b0\n ? syscall_trace_enter.isra.18+0x126/0x1a0\n do_syscall_64+0x3b/0x90\n entry_SYSCALL_64_after_hwframe+0x72/0xdc\nRIP: 0033:0x7fbd9d03a14b\n[...]\n\nFix this by preventing the devcmd reset if the FW is not running.","Type":"Description","Title":"pds_core: Fix pdsc_check_pci_health function to use work thread"}]}}}