{"api_version":"1","generated_at":"2026-10-26T06:23:50+00:00","cve":"CVE-2026-98890","urls":{"html":"https://cve.report/CVE-2026-98890","api":"https://cve.report/api/cve/CVE-2026-98890.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98890","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98890"},"summary":{"title":"wifi: libertas: reject short monitor TX frames","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas: reject short monitor TX frames\n\nIn monitor mode, lbs_hard_start_xmit() casts skb->data to a\nradiotap TX header, skips that header, and then copies the 802.11\ndestination address from offset 4 in the remaining frame.  The\ngeneric length check only rejects zero-length and oversized skbs, so\na short monitor frame can be read past the end of the skb data.\n\nRequire enough bytes for the radiotap TX header and the destination\naddress field before using the monitor-mode header layout.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-23 12:18:22","updated_at":"2026-10-23 12:18:22"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/cdcfd662c67833d89ee3d912efde2eb67c8a7326","name":"https://git.kernel.org/stable/c/cdcfd662c67833d89ee3d912efde2eb67c8a7326","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d865dd6de8295f2bfaa83f0f5d49d2bef1543065","name":"https://git.kernel.org/stable/c/d865dd6de8295f2bfaa83f0f5d49d2bef1543065","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b657cc98d7936c5d9ed7e0e1944ad0e1f36375bb","name":"https://git.kernel.org/stable/c/b657cc98d7936c5d9ed7e0e1944ad0e1f36375bb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/68c92c991ddb75dfd3fd62a94a1d4d2dde44dc3c","name":"https://git.kernel.org/stable/c/68c92c991ddb75dfd3fd62a94a1d4d2dde44dc3c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6576baa3fdbaa91fa75e4ba27095f4b8a27349a8","name":"https://git.kernel.org/stable/c/6576baa3fdbaa91fa75e4ba27095f4b8a27349a8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/13ff543e0b2c713aedeaadadde686686e949dc78","name":"https://git.kernel.org/stable/c/13ff543e0b2c713aedeaadadde686686e949dc78","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/443fac3de65c76544b450b9f9903be8989150d55","name":"https://git.kernel.org/stable/c/443fac3de65c76544b450b9f9903be8989150d55","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98890","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98890","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 68c92c991ddb75dfd3fd62a94a1d4d2dde44dc3c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 d865dd6de8295f2bfaa83f0f5d49d2bef1543065 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 6576baa3fdbaa91fa75e4ba27095f4b8a27349a8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 b657cc98d7936c5d9ed7e0e1944ad0e1f36375bb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.53 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.271 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.222 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* 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":["drivers/net/wireless/marvell/libertas/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"68c92c991ddb75dfd3fd62a94a1d4d2dde44dc3c","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"d865dd6de8295f2bfaa83f0f5d49d2bef1543065","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"6576baa3fdbaa91fa75e4ba27095f4b8a27349a8","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"b657cc98d7936c5d9ed7e0e1944ad0e1f36375bb","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"443fac3de65c76544b450b9f9903be8989150d55","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"cdcfd662c67833d89ee3d912efde2eb67c8a7326","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"13ff543e0b2c713aedeaadadde686686e949dc78","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"5.10.271","status":"affected","version":"0","versionType":"semver"},{"lessThan":"5.15.222","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.1.189","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.6.158","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.12.111","status":"affected","version":"0","versionType":"semver"},{"lessThan":"6.18.53","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/marvell/libertas/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.271","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.222","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","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":"5.10.271","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.222","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas: reject short monitor TX frames\n\nIn monitor mode, lbs_hard_start_xmit() casts skb->data to a\nradiotap TX header, skips that header, and then copies the 802.11\ndestination address from offset 4 in the remaining frame.  The\ngeneric length check only rejects zero-length and oversized skbs, so\na short monitor frame can be read past the end of the skb data.\n\nRequire enough bytes for the radiotap TX header and the destination\naddress field before using the monitor-mode header layout."}],"providerMetadata":{"dateUpdated":"2026-10-23T11:37:50.495Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/68c92c991ddb75dfd3fd62a94a1d4d2dde44dc3c"},{"url":"https://git.kernel.org/stable/c/d865dd6de8295f2bfaa83f0f5d49d2bef1543065"},{"url":"https://git.kernel.org/stable/c/6576baa3fdbaa91fa75e4ba27095f4b8a27349a8"},{"url":"https://git.kernel.org/stable/c/b657cc98d7936c5d9ed7e0e1944ad0e1f36375bb"},{"url":"https://git.kernel.org/stable/c/443fac3de65c76544b450b9f9903be8989150d55"},{"url":"https://git.kernel.org/stable/c/cdcfd662c67833d89ee3d912efde2eb67c8a7326"},{"url":"https://git.kernel.org/stable/c/13ff543e0b2c713aedeaadadde686686e949dc78"}],"title":"wifi: libertas: reject short monitor TX frames","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98890","datePublished":"2026-10-23T11:37:50.495Z","dateReserved":"2026-09-25T10:25:14.378Z","dateUpdated":"2026-10-23T11:37:50.495Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-23 12:18:22","lastModifiedDate":"2026-10-23 12:18:22","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98890","Ordinal":"1","Title":"wifi: libertas: reject short monitor TX frames","CVE":"CVE-2026-98890","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98890","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas: reject short monitor TX frames\n\nIn monitor mode, lbs_hard_start_xmit() casts skb->data to a\nradiotap TX header, skips that header, and then copies the 802.11\ndestination address from offset 4 in the remaining frame.  The\ngeneric length check only rejects zero-length and oversized skbs, so\na short monitor frame can be read past the end of the skb data.\n\nRequire enough bytes for the radiotap TX header and the destination\naddress field before using the monitor-mode header layout.","Type":"Description","Title":"wifi: libertas: reject short monitor TX frames"}]}}}