{"id":"CVE-2026-98193","state":"PUBLISHED","title":"wifi: libipw: reject TKIP frames without a full MIC","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libipw: reject TKIP frames without a full MIC\n\nlibipw_michael_mic_verify() assumes that an skb contains an eight-byte\nMichael MIC. A short TKIP frame makes the unsigned payload length wrap,\ncausing michael_mic() to read past the skb.\n\nCheck that the MIC is present before verifying it, and use the existing\nMICHAEL_MIC_LEN constant for all MIC lengths in the verifier.","publishedAt":"2026-10-06T08:44:33.584Z","updatedAt":"2026-10-30T12:37:54.286Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"2e23abdaf6d32aa112efaa474629af7584d3acc6","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"9442bf5ea83314ef9a8a33e6885da45a61d1474d","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"0636970f31dd9099f98578a62335eb534be72e3a","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"f448b267968d0ee985e5927c868c8f858169ab34","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"9a7fb67364817710c96785ff86b71a2711ee92cb","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"ac7c08626f67844336086cf563f417566b76f0d7","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"bb7ae8910cc886885aea95abb7c2e578a2341646","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"06f42accaf3c6aecab1dcc57f68dde6c06c8b380","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.14","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","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/wireless/intel/ipw2x00/libipw_crypto_tkip.c"]}],"references":["https://git.kernel.org/stable/c/2e23abdaf6d32aa112efaa474629af7584d3acc6","https://git.kernel.org/stable/c/9442bf5ea83314ef9a8a33e6885da45a61d1474d","https://git.kernel.org/stable/c/0636970f31dd9099f98578a62335eb534be72e3a","https://git.kernel.org/stable/c/f448b267968d0ee985e5927c868c8f858169ab34","https://git.kernel.org/stable/c/9a7fb67364817710c96785ff86b71a2711ee92cb","https://git.kernel.org/stable/c/ac7c08626f67844336086cf563f417566b76f0d7","https://git.kernel.org/stable/c/bb7ae8910cc886885aea95abb7c2e578a2341646","https://git.kernel.org/stable/c/06f42accaf3c6aecab1dcc57f68dde6c06c8b380"],"weaknesses":[],"ingestedAt":"2026-10-30T12:56:04.490Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98193.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98193","state":"PUBLISHED","datePublished":"2026-10-06T08:44:33.584Z","dateUpdated":"2026-10-30T12:37:54.286Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.323Z"},"containers":{"cna":{"title":"wifi: libipw: reject TKIP frames without a full MIC","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libipw: reject TKIP frames without a full MIC\n\nlibipw_michael_mic_verify() assumes that an skb contains an eight-byte\nMichael MIC. A short TKIP frame makes the unsigned payload length wrap,\ncausing michael_mic() to read past the skb.\n\nCheck that the MIC is present before verifying it, and use the existing\nMICHAEL_MIC_LEN constant for all MIC lengths in the verifier."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"2e23abdaf6d32aa112efaa474629af7584d3acc6","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"9442bf5ea83314ef9a8a33e6885da45a61d1474d","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"0636970f31dd9099f98578a62335eb534be72e3a","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"f448b267968d0ee985e5927c868c8f858169ab34","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"9a7fb67364817710c96785ff86b71a2711ee92cb","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"ac7c08626f67844336086cf563f417566b76f0d7","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"bb7ae8910cc886885aea95abb7c2e578a2341646","versionType":"git"},{"version":"b453872c35cfcbdbf5a794737817f7d4e7b1b579","status":"affected","lessThan":"06f42accaf3c6aecab1dcc57f68dde6c06c8b380","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.14","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","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/wireless/intel/ipw2x00/libipw_crypto_tkip.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2e23abdaf6d32aa112efaa474629af7584d3acc6"},{"url":"https://git.kernel.org/stable/c/9442bf5ea83314ef9a8a33e6885da45a61d1474d"},{"url":"https://git.kernel.org/stable/c/0636970f31dd9099f98578a62335eb534be72e3a"},{"url":"https://git.kernel.org/stable/c/f448b267968d0ee985e5927c868c8f858169ab34"},{"url":"https://git.kernel.org/stable/c/9a7fb67364817710c96785ff86b71a2711ee92cb"},{"url":"https://git.kernel.org/stable/c/ac7c08626f67844336086cf563f417566b76f0d7"},{"url":"https://git.kernel.org/stable/c/bb7ae8910cc886885aea95abb7c2e578a2341646"},{"url":"https://git.kernel.org/stable/c/06f42accaf3c6aecab1dcc57f68dde6c06c8b380"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:37:54.286Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.14","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}