{"api_version":"1","generated_at":"2026-09-02T16:37:59+00:00","cve":"CVE-2026-80715","urls":{"html":"https://cve.report/CVE-2026-80715","api":"https://cve.report/api/cve/CVE-2026-80715.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80715","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80715"},"summary":{"title":"igc: remove napi_synchronize() in igc_down()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nigc: remove napi_synchronize() in igc_down()\n\nWhen an AF_XDP zero-copy application is killed abruptly, the XSK pool is\ntorn down but NAPI keeps polling. igc_clean_rx_irq_zc() then returns the\nfull budget on every poll, so napi_complete_done() never clears\nNAPI_STATE_SCHED.\n\nigc_down() calls napi_synchronize() before napi_disable(), so it spins\nforever waiting for that bit and the interface never goes down. Drop the\nnapi_synchronize() and let napi_disable() do the job -- it sets\nNAPI_STATE_DISABLE, which forces the stuck poll to complete. Reorder it\nahead of igc_set_queue_napi() so the NAPI mapping is cleared only after\npolling has stopped, matching the recent igb fix b1e067240379.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:57","updated_at":"2026-08-28 08:16:57"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/605585a8d89aaeb0122e9016fdaa92376897a705","name":"https://git.kernel.org/stable/c/605585a8d89aaeb0122e9016fdaa92376897a705","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5ffab5b9589c50e4cfc0cf36ffd76c89422d4019","name":"https://git.kernel.org/stable/c/5ffab5b9589c50e4cfc0cf36ffd76c89422d4019","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ad6e0df267dc96edb7de1fa0a2fb2a70645bff86","name":"https://git.kernel.org/stable/c/ad6e0df267dc96edb7de1fa0a2fb2a70645bff86","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f929a6fe5b7ae1e72d2c6d18cd69ab90dcf689d2","name":"https://git.kernel.org/stable/c/f929a6fe5b7ae1e72d2c6d18cd69ab90dcf689d2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9a2b637aef4e515c2179774888441d00e8a5ae95","name":"https://git.kernel.org/stable/c/9a2b637aef4e515c2179774888441d00e8a5ae95","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a0f16c337691813f8d8f014c01fff5a368e08898","name":"https://git.kernel.org/stable/c/a0f16c337691813f8d8f014c01fff5a368e08898","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3b5aee6fcbf6b58112d40d19c8d31fa3f78ee668","name":"https://git.kernel.org/stable/c/3b5aee6fcbf6b58112d40d19c8d31fa3f78ee668","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80715","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80715","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fc9df2a0b520d7d439ecf464794d53e91be74b93 ad6e0df267dc96edb7de1fa0a2fb2a70645bff86 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fc9df2a0b520d7d439ecf464794d53e91be74b93 605585a8d89aaeb0122e9016fdaa92376897a705 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fc9df2a0b520d7d439ecf464794d53e91be74b93 a0f16c337691813f8d8f014c01fff5a368e08898 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fc9df2a0b520d7d439ecf464794d53e91be74b93 f929a6fe5b7ae1e72d2c6d18cd69ab90dcf689d2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.105 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.44 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.8 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"80715","cve":"CVE-2026-80715","epss":"0.001610000","percentile":"0.055360000","score_date":"2026-08-30","updated_at":"2026-08-31 00:14:06"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/intel/igc/igc_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ad6e0df267dc96edb7de1fa0a2fb2a70645bff86","status":"affected","version":"fc9df2a0b520d7d439ecf464794d53e91be74b93","versionType":"git"},{"lessThan":"605585a8d89aaeb0122e9016fdaa92376897a705","status":"affected","version":"fc9df2a0b520d7d439ecf464794d53e91be74b93","versionType":"git"},{"lessThan":"a0f16c337691813f8d8f014c01fff5a368e08898","status":"affected","version":"fc9df2a0b520d7d439ecf464794d53e91be74b93","versionType":"git"},{"lessThan":"f929a6fe5b7ae1e72d2c6d18cd69ab90dcf689d2","status":"affected","version":"fc9df2a0b520d7d439ecf464794d53e91be74b93","versionType":"git"},{"lessThan":"3b5aee6fcbf6b58112d40d19c8d31fa3f78ee668","status":"affected","version":"fc9df2a0b520d7d439ecf464794d53e91be74b93","versionType":"git"},{"lessThan":"9a2b637aef4e515c2179774888441d00e8a5ae95","status":"affected","version":"fc9df2a0b520d7d439ecf464794d53e91be74b93","versionType":"git"},{"lessThan":"5ffab5b9589c50e4cfc0cf36ffd76c89422d4019","status":"affected","version":"fc9df2a0b520d7d439ecf464794d53e91be74b93","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/intel/igc/igc_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.14"},{"lessThan":"5.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.217","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.184","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.153","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.105","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.44","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.217","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.184","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.153","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.105","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.44","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.8","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nigc: remove napi_synchronize() in igc_down()\n\nWhen an AF_XDP zero-copy application is killed abruptly, the XSK pool is\ntorn down but NAPI keeps polling. igc_clean_rx_irq_zc() then returns the\nfull budget on every poll, so napi_complete_done() never clears\nNAPI_STATE_SCHED.\n\nigc_down() calls napi_synchronize() before napi_disable(), so it spins\nforever waiting for that bit and the interface never goes down. Drop the\nnapi_synchronize() and let napi_disable() do the job -- it sets\nNAPI_STATE_DISABLE, which forces the stuck poll to complete. Reorder it\nahead of igc_set_queue_napi() so the NAPI mapping is cleared only after\npolling has stopped, matching the recent igb fix b1e067240379."}],"providerMetadata":{"dateUpdated":"2026-08-28T06:53:13.683Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ad6e0df267dc96edb7de1fa0a2fb2a70645bff86"},{"url":"https://git.kernel.org/stable/c/605585a8d89aaeb0122e9016fdaa92376897a705"},{"url":"https://git.kernel.org/stable/c/a0f16c337691813f8d8f014c01fff5a368e08898"},{"url":"https://git.kernel.org/stable/c/f929a6fe5b7ae1e72d2c6d18cd69ab90dcf689d2"},{"url":"https://git.kernel.org/stable/c/3b5aee6fcbf6b58112d40d19c8d31fa3f78ee668"},{"url":"https://git.kernel.org/stable/c/9a2b637aef4e515c2179774888441d00e8a5ae95"},{"url":"https://git.kernel.org/stable/c/5ffab5b9589c50e4cfc0cf36ffd76c89422d4019"}],"title":"igc: remove napi_synchronize() in igc_down()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80715","datePublished":"2026-08-28T06:53:13.683Z","dateReserved":"2026-08-26T14:34:25.788Z","dateUpdated":"2026-08-28T06:53:13.683Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:57","lastModifiedDate":"2026-08-28 08:16:57","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80715","Ordinal":"1","Title":"igc: remove napi_synchronize() in igc_down()","CVE":"CVE-2026-80715","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80715","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nigc: remove napi_synchronize() in igc_down()\n\nWhen an AF_XDP zero-copy application is killed abruptly, the XSK pool is\ntorn down but NAPI keeps polling. igc_clean_rx_irq_zc() then returns the\nfull budget on every poll, so napi_complete_done() never clears\nNAPI_STATE_SCHED.\n\nigc_down() calls napi_synchronize() before napi_disable(), so it spins\nforever waiting for that bit and the interface never goes down. Drop the\nnapi_synchronize() and let napi_disable() do the job -- it sets\nNAPI_STATE_DISABLE, which forces the stuck poll to complete. Reorder it\nahead of igc_set_queue_napi() so the NAPI mapping is cleared only after\npolling has stopped, matching the recent igb fix b1e067240379.","Type":"Description","Title":"igc: remove napi_synchronize() in igc_down()"}]}}}