{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31595","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.121Z","datePublished":"2026-04-24T14:42:21.355Z","dateUpdated":"2026-05-11T22:11:49.806Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:11:49.806Z"},"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"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/endpoint/functions/pci-epf-vntb.c"],"versions":[{"version":"e35f56bb03304abc92c928b641af41ca372966bb","lessThan":"ceb73484e7204f661f770069ecdf35f6e941879c","status":"affected","versionType":"git"},{"version":"e35f56bb03304abc92c928b641af41ca372966bb","lessThan":"6773cc24c004930903a57761132c1e7728907f8f","status":"affected","versionType":"git"},{"version":"e35f56bb03304abc92c928b641af41ca372966bb","lessThan":"9921cce25bfe4021f6e55ca995351eb967165297","status":"affected","versionType":"git"},{"version":"e35f56bb03304abc92c928b641af41ca372966bb","lessThan":"5999067140c67530a6cb6f41a8471596e60452cb","status":"affected","versionType":"git"},{"version":"e35f56bb03304abc92c928b641af41ca372966bb","lessThan":"fbb6c353fa2fb5f5f990eda034a1074b0356127e","status":"affected","versionType":"git"},{"version":"e35f56bb03304abc92c928b641af41ca372966bb","lessThan":"d799984233a50abd2667a7d17a9a710a3f10ebe2","status":"affected","versionType":"git"},{"version":"e2b6ef72b7aea9d7d480d2df499bcd1c93247abb","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/endpoint/functions/pci-epf-vntb.c"],"versions":[{"version":"6.0","status":"affected"},{"version":"0","lessThan":"6.0","status":"unaffected","versionType":"semver"},{"version":"6.6.136","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.83","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.24","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.14","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0.1","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1-rc1","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":"6.0","versionEndExcluding":"6.6.136"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.12.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.18.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.19.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"7.0.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"7.1-rc1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.153"}]}]}],"references":[{"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"}}}}