{"api_version":"1","generated_at":"2026-07-23T14:01:58+00:00","cve":"CVE-2026-31595","urls":{"html":"https://cve.report/CVE-2026-31595","api":"https://cve.report/api/cve/CVE-2026-31595.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31595","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31595"},"summary":{"title":"PCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_epc_cleanup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_epc_cleanup\n\nDisable the delayed work before clearing BAR mappings and doorbells to\navoid running the handler after resources have been torn down.\n\n  Unable to handle kernel paging request at virtual address ffff800083f46004\n  [...]\n  Internal error: Oops: 0000000096000007 [#1]  SMP\n  [...]\n  Call trace:\n   epf_ntb_cmd_handler+0x54/0x200 [pci_epf_vntb] (P)\n   process_one_work+0x154/0x3b0\n   worker_thread+0x2c8/0x400\n   kthread+0x148/0x210\n   ret_from_fork+0x10/0x20","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-24 15:16:37","updated_at":"2026-06-01 17:16:50"},"problem_types":["NVD-CWE-noinfo"],"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"}}],"references":[{"url":"https://git.kernel.org/stable/c/5999067140c67530a6cb6f41a8471596e60452cb","name":"https://git.kernel.org/stable/c/5999067140c67530a6cb6f41a8471596e60452cb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b2eb405bbced3a6e772545e1b74dbde37cee1f8f","name":"https://git.kernel.org/stable/c/b2eb405bbced3a6e772545e1b74dbde37cee1f8f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ceb73484e7204f661f770069ecdf35f6e941879c","name":"https://git.kernel.org/stable/c/ceb73484e7204f661f770069ecdf35f6e941879c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9921cce25bfe4021f6e55ca995351eb967165297","name":"https://git.kernel.org/stable/c/9921cce25bfe4021f6e55ca995351eb967165297","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fbb6c353fa2fb5f5f990eda034a1074b0356127e","name":"https://git.kernel.org/stable/c/fbb6c353fa2fb5f5f990eda034a1074b0356127e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d799984233a50abd2667a7d17a9a710a3f10ebe2","name":"https://git.kernel.org/stable/c/d799984233a50abd2667a7d17a9a710a3f10ebe2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6773cc24c004930903a57761132c1e7728907f8f","name":"https://git.kernel.org/stable/c/6773cc24c004930903a57761132c1e7728907f8f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31595","name":"CVE 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00:06:44"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pci/endpoint/functions/pci-epf-vntb.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b2eb405bbced3a6e772545e1b74dbde37cee1f8f","status":"affected","version":"e35f56bb03304abc92c928b641af41ca372966bb","versionType":"git"},{"lessThan":"ceb73484e7204f661f770069ecdf35f6e941879c","status":"affected","version":"e35f56bb03304abc92c928b641af41ca372966bb","versionType":"git"},{"lessThan":"6773cc24c004930903a57761132c1e7728907f8f","status":"affected","version":"e35f56bb03304abc92c928b641af41ca372966bb","versionType":"git"},{"lessThan":"9921cce25bfe4021f6e55ca995351eb967165297","status":"affected","version":"e35f56bb03304abc92c928b641af41ca372966bb","versionType":"git"},{"lessThan":"5999067140c67530a6cb6f41a8471596e60452cb","status":"affected","version":"e35f56bb03304abc92c928b641af41ca372966bb","versionType":"git"},{"lessThan":"fbb6c353fa2fb5f5f990eda034a1074b0356127e","status":"affected","version":"e35f56bb03304abc92c928b641af41ca372966bb","versionType":"git"},{"lessThan":"d799984233a50abd2667a7d17a9a710a3f10ebe2","status":"affected","version":"e35f56bb03304abc92c928b641af41ca372966bb","versionType":"git"},{"status":"affected","version":"e2b6ef72b7aea9d7d480d2df499bcd1c93247abb","versionType":"git"},{"lessThan":"5.16","status":"affected","version":"5.15.153","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pci/endpoint/functions/pci-epf-vntb.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.0"},{"lessThan":"6.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.136","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.83","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.24","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.1","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.136","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.83","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.24","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.14","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.1","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc1","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.153","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_epc_cleanup\n\nDisable the delayed work before clearing BAR mappings and doorbells to\navoid running the handler after resources have been torn down.\n\n  Unable to handle kernel paging request at virtual address ffff800083f46004\n  [...]\n  Internal error: Oops: 0000000096000007 [#1]  SMP\n  [...]\n  Call trace:\n   epf_ntb_cmd_handler+0x54/0x200 [pci_epf_vntb] (P)\n   process_one_work+0x154/0x3b0\n   worker_thread+0x2c8/0x400\n   kthread+0x148/0x210\n   ret_from_fork+0x10/0x20"}],"providerMetadata":{"dateUpdated":"2026-06-01T16:12:12.170Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b2eb405bbced3a6e772545e1b74dbde37cee1f8f"},{"url":"https://git.kernel.org/stable/c/ceb73484e7204f661f770069ecdf35f6e941879c"},{"url":"https://git.kernel.org/stable/c/6773cc24c004930903a57761132c1e7728907f8f"},{"url":"https://git.kernel.org/stable/c/9921cce25bfe4021f6e55ca995351eb967165297"},{"url":"https://git.kernel.org/stable/c/5999067140c67530a6cb6f41a8471596e60452cb"},{"url":"https://git.kernel.org/stable/c/fbb6c353fa2fb5f5f990eda034a1074b0356127e"},{"url":"https://git.kernel.org/stable/c/d799984233a50abd2667a7d17a9a710a3f10ebe2"}],"title":"PCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_epc_cleanup","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31595","datePublished":"2026-04-24T14:42:21.355Z","dateReserved":"2026-03-09T15:48:24.121Z","dateUpdated":"2026-06-01T16:12:12.170Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-24 15:16:37","lastModifiedDate":"2026-06-01 17:16:50","problem_types":["NVD-CWE-noinfo"],"metrics":{"cvssMetricV31":[{"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}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.6.136","matchCriteriaId":"32F2F3AC-7267-4B2D-B7B6-883A16558607"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.83","matchCriteriaId":"7F0AE5B5-23AC-4DCC-B37A-51CA1DAE7BA8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.24","matchCriteriaId":"8126B8B8-6D0B-4443-86C1-672AEE893555"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.14","matchCriteriaId":"D6A8A074-BBF4-4803-ABED-519A839435BB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.0.1","matchCriteriaId":"9B5888AB-7403-4335-89E4-21CC0B48366A"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31595","Ordinal":"1","Title":"PCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_ep","CVE":"CVE-2026-31595","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31595","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_epc_cleanup\n\nDisable the delayed work before clearing BAR mappings and doorbells to\navoid running the handler after resources have been torn down.\n\n  Unable to handle kernel paging request at virtual address ffff800083f46004\n  [...]\n  Internal error: Oops: 0000000096000007 [#1]  SMP\n  [...]\n  Call trace:\n   epf_ntb_cmd_handler+0x54/0x200 [pci_epf_vntb] (P)\n   process_one_work+0x154/0x3b0\n   worker_thread+0x2c8/0x400\n   kthread+0x148/0x210\n   ret_from_fork+0x10/0x20","Type":"Description","Title":"PCI: endpoint: pci-epf-vntb: Stop cmd_handler work in epf_ntb_ep"}]}}}