{"api_version":"1","generated_at":"2026-08-22T21:53:16+00:00","cve":"CVE-2026-74662","urls":{"html":"https://cve.report/CVE-2026-74662","api":"https://cve.report/api/cve/CVE-2026-74662.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74662","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74662"},"summary":{"title":"inet: frags: publish queues before arming timer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ninet: frags: publish queues before arming timer\n\ninet_frag_create() arms the fragment queue timer before inserting the\nqueue into the fqdir rhashtable. If the namespace fragment timeout is\nzero or negative, the timer can run before the queue is published.\n\nThe timer callback then marks the queue complete, tries to remove a node\nthat is not in the hash table yet, and drops the anticipated hash\nreference. Creation can subsequently publish the completed queue without\nrestoring that reference, leaving a stale hash node after the caller drops\nthe remaining reference.\n\nPublish the queue first and arm the timer while holding the queue lock.\nThis makes timer expiry wait until the queue is visible in the hash table,\nso inet_frag_kill() can remove the node and balance the hash reference.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-22 16:16:39","updated_at":"2026-08-22 16:16:39"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/9f904dd3e455750e5d4ec9b2f134835811b85a2f","name":"https://git.kernel.org/stable/c/9f904dd3e455750e5d4ec9b2f134835811b85a2f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/928128865e43b197e30688dc1bc991592c97edcf","name":"https://git.kernel.org/stable/c/928128865e43b197e30688dc1bc991592c97edcf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/653d7ddf6cba867777a3d14c4f83ace008c5ad13","name":"https://git.kernel.org/stable/c/653d7ddf6cba867777a3d14c4f83ace008c5ad13","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74662","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74662","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 648700f76b03b7e8149d13cc2bdb3355035258a9 9f904dd3e455750e5d4ec9b2f134835811b85a2f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 648700f76b03b7e8149d13cc2bdb3355035258a9 928128865e43b197e30688dc1bc991592c97edcf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 648700f76b03b7e8149d13cc2bdb3355035258a9 653d7ddf6cba867777a3d14c4f83ace008c5ad13 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 493107105843f299662b3b664a83804645564f12 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.4.174 4.5 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.45 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.9 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":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv4/inet_fragment.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9f904dd3e455750e5d4ec9b2f134835811b85a2f","status":"affected","version":"648700f76b03b7e8149d13cc2bdb3355035258a9","versionType":"git"},{"lessThan":"928128865e43b197e30688dc1bc991592c97edcf","status":"affected","version":"648700f76b03b7e8149d13cc2bdb3355035258a9","versionType":"git"},{"lessThan":"653d7ddf6cba867777a3d14c4f83ace008c5ad13","status":"affected","version":"648700f76b03b7e8149d13cc2bdb3355035258a9","versionType":"git"},{"status":"affected","version":"493107105843f299662b3b664a83804645564f12","versionType":"git"},{"lessThan":"4.5","status":"affected","version":"4.4.174","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/inet_fragment.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.17"},{"lessThan":"4.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.45","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.9","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":"6.18.45","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.9","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"4.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.174","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ninet: frags: publish queues before arming timer\n\ninet_frag_create() arms the fragment queue timer before inserting the\nqueue into the fqdir rhashtable. If the namespace fragment timeout is\nzero or negative, the timer can run before the queue is published.\n\nThe timer callback then marks the queue complete, tries to remove a node\nthat is not in the hash table yet, and drops the anticipated hash\nreference. Creation can subsequently publish the completed queue without\nrestoring that reference, leaving a stale hash node after the caller drops\nthe remaining reference.\n\nPublish the queue first and arm the timer while holding the queue lock.\nThis makes timer expiry wait until the queue is visible in the hash table,\nso inet_frag_kill() can remove the node and balance the hash reference."}],"providerMetadata":{"dateUpdated":"2026-08-22T15:32:35.151Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/9f904dd3e455750e5d4ec9b2f134835811b85a2f"},{"url":"https://git.kernel.org/stable/c/928128865e43b197e30688dc1bc991592c97edcf"},{"url":"https://git.kernel.org/stable/c/653d7ddf6cba867777a3d14c4f83ace008c5ad13"}],"title":"inet: frags: publish queues before arming timer","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74662","datePublished":"2026-08-22T15:32:35.151Z","dateReserved":"2026-08-15T05:44:03.924Z","dateUpdated":"2026-08-22T15:32:35.151Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-22 16:16:39","lastModifiedDate":"2026-08-22 16:16:39","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74662","Ordinal":"1","Title":"inet: frags: publish queues before arming timer","CVE":"CVE-2026-74662","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74662","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ninet: frags: publish queues before arming timer\n\ninet_frag_create() arms the fragment queue timer before inserting the\nqueue into the fqdir rhashtable. If the namespace fragment timeout is\nzero or negative, the timer can run before the queue is published.\n\nThe timer callback then marks the queue complete, tries to remove a node\nthat is not in the hash table yet, and drops the anticipated hash\nreference. Creation can subsequently publish the completed queue without\nrestoring that reference, leaving a stale hash node after the caller drops\nthe remaining reference.\n\nPublish the queue first and arm the timer while holding the queue lock.\nThis makes timer expiry wait until the queue is visible in the hash table,\nso inet_frag_kill() can remove the node and balance the hash reference.","Type":"Description","Title":"inet: frags: publish queues before arming timer"}]}}}