{"id":"CVE-2026-98618","state":"PUBLISHED","title":"eth: fbnic: Handle maximum standalone channels","description":"In the Linux kernel, the following vulnerability has been resolved:\n\neth: fbnic: Handle maximum standalone channels\n\nStandalone channels use one NAPI vector for each Tx and Rx queue.\nfbnic's allocation path excludes FBNIC_MAX_TXQS from that layout. A\n64-Tx/64-Rx configuration therefore records 128 vectors but allocates\nonly 64, leaving NULL entries that resource setup dereferences.\n\nInclude the maximum vector count in standalone allocation.","publishedAt":"2026-10-18T15:19:38.631Z","updatedAt":"2026-10-19T09:22:46.174Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bc6107771bb4be3009168cfda24d22131c026fe8","status":"affected","lessThan":"9843e5fabd6ab296df9c025b1d0e5bf79a6b8a08","versionType":"git"},{"version":"bc6107771bb4be3009168cfda24d22131c026fe8","status":"affected","lessThan":"6c903188b67617070017305a325fa326f270a43d","versionType":"git"},{"version":"bc6107771bb4be3009168cfda24d22131c026fe8","status":"affected","lessThan":"16ff1023213cc39c1a7ce737205c2a1a53c3a716","versionType":"git"},{"version":"bc6107771bb4be3009168cfda24d22131c026fe8","status":"affected","lessThan":"1f4c73064a50f53d596c6f1d06d2d700f43c4b32","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/meta/fbnic/fbnic_txrx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/meta/fbnic/fbnic_txrx.c"]}],"references":["https://git.kernel.org/stable/c/9843e5fabd6ab296df9c025b1d0e5bf79a6b8a08","https://git.kernel.org/stable/c/6c903188b67617070017305a325fa326f270a43d","https://git.kernel.org/stable/c/16ff1023213cc39c1a7ce737205c2a1a53c3a716","https://git.kernel.org/stable/c/1f4c73064a50f53d596c6f1d06d2d700f43c4b32"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98618.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98618","state":"PUBLISHED","datePublished":"2026-10-18T15:19:38.631Z","dateUpdated":"2026-10-19T09:22:46.174Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.360Z"},"containers":{"cna":{"title":"eth: fbnic: Handle maximum standalone channels","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\neth: fbnic: Handle maximum standalone channels\n\nStandalone channels use one NAPI vector for each Tx and Rx queue.\nfbnic's allocation path excludes FBNIC_MAX_TXQS from that layout. A\n64-Tx/64-Rx configuration therefore records 128 vectors but allocates\nonly 64, leaving NULL entries that resource setup dereferences.\n\nInclude the maximum vector count in standalone allocation."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bc6107771bb4be3009168cfda24d22131c026fe8","status":"affected","lessThan":"9843e5fabd6ab296df9c025b1d0e5bf79a6b8a08","versionType":"git"},{"version":"bc6107771bb4be3009168cfda24d22131c026fe8","status":"affected","lessThan":"6c903188b67617070017305a325fa326f270a43d","versionType":"git"},{"version":"bc6107771bb4be3009168cfda24d22131c026fe8","status":"affected","lessThan":"16ff1023213cc39c1a7ce737205c2a1a53c3a716","versionType":"git"},{"version":"bc6107771bb4be3009168cfda24d22131c026fe8","status":"affected","lessThan":"1f4c73064a50f53d596c6f1d06d2d700f43c4b32","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/meta/fbnic/fbnic_txrx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/meta/fbnic/fbnic_txrx.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9843e5fabd6ab296df9c025b1d0e5bf79a6b8a08"},{"url":"https://git.kernel.org/stable/c/6c903188b67617070017305a325fa326f270a43d"},{"url":"https://git.kernel.org/stable/c/16ff1023213cc39c1a7ce737205c2a1a53c3a716"},{"url":"https://git.kernel.org/stable/c/1f4c73064a50f53d596c6f1d06d2d700f43c4b32"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:22:46.174Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}