{"id":"CVE-2026-93062","state":"PUBLISHED","title":"wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments\n\nMake sure we don't end-up with a num_frags = 0 situation.\nFor that, check that the required size is not 0 and put a checker on\nnum_frags as well.","publishedAt":"2026-09-17T16:10:48.451Z","updatedAt":"2026-10-30T12:35:48.583Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"897097eec925fbecdb1f8698b9e7bacb501a5b64","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"11dde137f1258004bd1ed76ea2480a641e1fb753","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"6df26657c626b63b5a47026128cc021f66722a41","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"f26f72c2448829701d7c3e840fac9d168a98a955","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"bc7a7ad93070879c74cdcb107ebb1a02ec212712","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"9318bc0c41b24705690cf80d1596cf6b711e7027","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.5","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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/iwlwifi/iwl-dbg-tlv.c"]}],"references":["https://git.kernel.org/stable/c/897097eec925fbecdb1f8698b9e7bacb501a5b64","https://git.kernel.org/stable/c/11dde137f1258004bd1ed76ea2480a641e1fb753","https://git.kernel.org/stable/c/6df26657c626b63b5a47026128cc021f66722a41","https://git.kernel.org/stable/c/f26f72c2448829701d7c3e840fac9d168a98a955","https://git.kernel.org/stable/c/bc7a7ad93070879c74cdcb107ebb1a02ec212712","https://git.kernel.org/stable/c/9318bc0c41b24705690cf80d1596cf6b711e7027"],"weaknesses":[],"ingestedAt":"2026-10-30T12:54:04.478Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93062.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93062","state":"PUBLISHED","datePublished":"2026-09-17T16:10:48.451Z","dateUpdated":"2026-10-30T12:35:48.583Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T15:57:05.660Z"},"containers":{"cna":{"title":"wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments\n\nMake sure we don't end-up with a num_frags = 0 situation.\nFor that, check that the required size is not 0 and put a checker on\nnum_frags as well."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"897097eec925fbecdb1f8698b9e7bacb501a5b64","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"11dde137f1258004bd1ed76ea2480a641e1fb753","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"6df26657c626b63b5a47026128cc021f66722a41","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"f26f72c2448829701d7c3e840fac9d168a98a955","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"bc7a7ad93070879c74cdcb107ebb1a02ec212712","versionType":"git"},{"version":"14124b25780db542b2bc31aadecc37a2a6534f40","status":"affected","lessThan":"9318bc0c41b24705690cf80d1596cf6b711e7027","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.5","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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/iwlwifi/iwl-dbg-tlv.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/897097eec925fbecdb1f8698b9e7bacb501a5b64"},{"url":"https://git.kernel.org/stable/c/11dde137f1258004bd1ed76ea2480a641e1fb753"},{"url":"https://git.kernel.org/stable/c/6df26657c626b63b5a47026128cc021f66722a41"},{"url":"https://git.kernel.org/stable/c/f26f72c2448829701d7c3e840fac9d168a98a955"},{"url":"https://git.kernel.org/stable/c/bc7a7ad93070879c74cdcb107ebb1a02ec212712"},{"url":"https://git.kernel.org/stable/c/9318bc0c41b24705690cf80d1596cf6b711e7027"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:35:48.583Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}