{"api_version":"1","generated_at":"2026-05-13T21:58:47+00:00","cve":"CVE-2026-23313","urls":{"html":"https://cve.report/CVE-2026-23313","api":"https://cve.report/api/cve/CVE-2026-23313.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23313","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23313"},"summary":{"title":"i40e: Fix preempt count leak in napi poll tracepoint","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix preempt count leak in napi poll tracepoint\n\nUsing get_cpu() in the tracepoint assignment causes an obvious preempt\ncount leak because nothing invokes put_cpu() to undo it:\n\n  softirq: huh, entered softirq 3 NET_RX with preempt_count 00000100, exited with 00000101?\n\nThis clearly has seen a lot of testing in the last 3+ years...\n\nUse smp_processor_id() instead.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-03-25 11:16:27","updated_at":"2026-04-27 14:16:30"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/dca4ea596a3b0a1b82bc1d9f3e4d88bd9ad9561f","name":"https://git.kernel.org/stable/c/dca4ea596a3b0a1b82bc1d9f3e4d88bd9ad9561f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9e0f091821571f0da387462803ee42f0bb157582","name":"https://git.kernel.org/stable/c/9e0f091821571f0da387462803ee42f0bb157582","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fa5d5baf67f619c7aa70697a194b5a9edd9f5bb7","name":"https://git.kernel.org/stable/c/fa5d5baf67f619c7aa70697a194b5a9edd9f5bb7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b7e91827e1cf89cd34ad11dc8f8c010b70ab786e","name":"https://git.kernel.org/stable/c/b7e91827e1cf89cd34ad11dc8f8c010b70ab786e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4b3d54a85bd37ebf2d9836f0d0de775c0ff21af9","name":"https://git.kernel.org/stable/c/4b3d54a85bd37ebf2d9836f0d0de775c0ff21af9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23313","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23313","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d4d584a7ea8fc8d2be77545cb503118c193738a fa5d5baf67f619c7aa70697a194b5a9edd9f5bb7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d4d584a7ea8fc8d2be77545cb503118c193738a b7e91827e1cf89cd34ad11dc8f8c010b70ab786e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d4d584a7ea8fc8d2be77545cb503118c193738a 9e0f091821571f0da387462803ee42f0bb157582 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d4d584a7ea8fc8d2be77545cb503118c193738a dca4ea596a3b0a1b82bc1d9f3e4d88bd9ad9561f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6d4d584a7ea8fc8d2be77545cb503118c193738a 4b3d54a85bd37ebf2d9836f0d0de775c0ff21af9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.136 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.77 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.17 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.7 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"23313","cve":"CVE-2026-23313","epss":"0.000250000","percentile":"0.070520000","score_date":"2026-04-27","updated_at":"2026-04-28 00:06:44"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/intel/i40e/i40e_trace.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fa5d5baf67f619c7aa70697a194b5a9edd9f5bb7","status":"affected","version":"6d4d584a7ea8fc8d2be77545cb503118c193738a","versionType":"git"},{"lessThan":"b7e91827e1cf89cd34ad11dc8f8c010b70ab786e","status":"affected","version":"6d4d584a7ea8fc8d2be77545cb503118c193738a","versionType":"git"},{"lessThan":"9e0f091821571f0da387462803ee42f0bb157582","status":"affected","version":"6d4d584a7ea8fc8d2be77545cb503118c193738a","versionType":"git"},{"lessThan":"dca4ea596a3b0a1b82bc1d9f3e4d88bd9ad9561f","status":"affected","version":"6d4d584a7ea8fc8d2be77545cb503118c193738a","versionType":"git"},{"lessThan":"4b3d54a85bd37ebf2d9836f0d0de775c0ff21af9","status":"affected","version":"6d4d584a7ea8fc8d2be77545cb503118c193738a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/intel/i40e/i40e_trace.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.2"},{"lessThan":"6.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.136","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.77","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.136","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.77","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.17","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.7","versionStartIncluding":"6.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix preempt count leak in napi poll tracepoint\n\nUsing get_cpu() in the tracepoint assignment causes an obvious preempt\ncount leak because nothing invokes put_cpu() to undo it:\n\n  softirq: huh, entered softirq 3 NET_RX with preempt_count 00000100, exited with 00000101?\n\nThis clearly has seen a lot of testing in the last 3+ years...\n\nUse smp_processor_id() instead."}],"providerMetadata":{"dateUpdated":"2026-04-27T13:56:11.718Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/fa5d5baf67f619c7aa70697a194b5a9edd9f5bb7"},{"url":"https://git.kernel.org/stable/c/b7e91827e1cf89cd34ad11dc8f8c010b70ab786e"},{"url":"https://git.kernel.org/stable/c/9e0f091821571f0da387462803ee42f0bb157582"},{"url":"https://git.kernel.org/stable/c/dca4ea596a3b0a1b82bc1d9f3e4d88bd9ad9561f"},{"url":"https://git.kernel.org/stable/c/4b3d54a85bd37ebf2d9836f0d0de775c0ff21af9"}],"title":"i40e: Fix preempt count leak in napi poll tracepoint","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23313","datePublished":"2026-03-25T10:27:08.686Z","dateReserved":"2026-01-13T15:37:45.994Z","dateUpdated":"2026-04-27T13:56:11.718Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-25 11:16:27","lastModifiedDate":"2026-04-27 14:16:30","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23313","Ordinal":"1","Title":"i40e: Fix preempt count leak in napi poll tracepoint","CVE":"CVE-2026-23313","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23313","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix preempt count leak in napi poll tracepoint\n\nUsing get_cpu() in the tracepoint assignment causes an obvious preempt\ncount leak because nothing invokes put_cpu() to undo it:\n\n  softirq: huh, entered softirq 3 NET_RX with preempt_count 00000100, exited with 00000101?\n\nThis clearly has seen a lot of testing in the last 3+ years...\n\nUse smp_processor_id() instead.","Type":"Description","Title":"i40e: Fix preempt count leak in napi poll tracepoint"}]}}}