{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31523","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.110Z","datePublished":"2026-04-22T13:54:37.568Z","dateUpdated":"2026-05-11T22:10:26.646Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:10:26.646Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-pci: ensure we're polling a polled queue\n\nA user can change the polled queue count at run time. There's a brief\nwindow during a reset where a hipri task may try to poll that queue\nbefore the block layer has updated the queue maps, which would race with\nthe now interrupt driven queue and may cause double completions."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/pci.c"],"versions":[{"version":"4b04cc6a8f86c4842314def22332de1f15de8523","lessThan":"965e2c943f065122f14282a88d70a8a92e12a4da","status":"affected","versionType":"git"},{"version":"4b04cc6a8f86c4842314def22332de1f15de8523","lessThan":"ba167d5982e2eb6ff9356d409eca592ce99555da","status":"affected","versionType":"git"},{"version":"4b04cc6a8f86c4842314def22332de1f15de8523","lessThan":"0685dd9cb855ab77fcf3577b4702ba1d6df1c98d","status":"affected","versionType":"git"},{"version":"4b04cc6a8f86c4842314def22332de1f15de8523","lessThan":"6f12734c4b619f923a4df0b1a46b8098b187d324","status":"affected","versionType":"git"},{"version":"4b04cc6a8f86c4842314def22332de1f15de8523","lessThan":"acbc72dd1a09df53cafcf577259f4678be6afd6d","status":"affected","versionType":"git"},{"version":"4b04cc6a8f86c4842314def22332de1f15de8523","lessThan":"b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3","status":"affected","versionType":"git"},{"version":"4b04cc6a8f86c4842314def22332de1f15de8523","lessThan":"b222680ba55e018426c4535067a008f1d81a5d21","status":"affected","versionType":"git"},{"version":"4b04cc6a8f86c4842314def22332de1f15de8523","lessThan":"166e31d7dbf6aa44829b98aa446bda5c9580f12a","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/nvme/host/pci.c"],"versions":[{"version":"5.0","status":"affected"},{"version":"0","lessThan":"5.0","status":"unaffected","versionType":"semver"},{"version":"5.10.253","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.168","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.131","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.80","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.21","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.11","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"5.0","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.1.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.6.131"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.12.80"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.18.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"6.19.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/965e2c943f065122f14282a88d70a8a92e12a4da"},{"url":"https://git.kernel.org/stable/c/ba167d5982e2eb6ff9356d409eca592ce99555da"},{"url":"https://git.kernel.org/stable/c/0685dd9cb855ab77fcf3577b4702ba1d6df1c98d"},{"url":"https://git.kernel.org/stable/c/6f12734c4b619f923a4df0b1a46b8098b187d324"},{"url":"https://git.kernel.org/stable/c/acbc72dd1a09df53cafcf577259f4678be6afd6d"},{"url":"https://git.kernel.org/stable/c/b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3"},{"url":"https://git.kernel.org/stable/c/b222680ba55e018426c4535067a008f1d81a5d21"},{"url":"https://git.kernel.org/stable/c/166e31d7dbf6aa44829b98aa446bda5c9580f12a"}],"title":"nvme-pci: ensure we're polling a polled queue","x_generator":{"engine":"bippy-1.2.0"}}}}