{"api_version":"1","generated_at":"2026-05-06T18:22:47+00:00","cve":"CVE-2026-43172","urls":{"html":"https://cve.report/CVE-2026-43172","api":"https://cve.report/api/cve/CVE-2026-43172.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43172","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43172"},"summary":{"title":"wifi: iwlwifi: fix 22000 series SMEM parsing","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: fix 22000 series SMEM parsing\n\nIf the firmware were to report three LMACs (which doesn't\nexist in hardware) then using \"fwrt->smem_cfg.lmac[2]\" is\nan overrun of the array. Reject such and use IWL_FW_CHECK\ninstead of WARN_ON in this function.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:35","updated_at":"2026-05-06 13:07:51"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205","name":"https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98","name":"https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9","name":"https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43172","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43172","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 1d49a42717bdc8de77eabeb5b7d3e88d141ffea9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 2b4b1510aaaf5b9fb57327ecffc20c055f61f205 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 58192b9ce09b0f0f86e2036683bd542130b91a98 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.16 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.6 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * 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/intel/iwlwifi/fw/smem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1d49a42717bdc8de77eabeb5b7d3e88d141ffea9","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"2b4b1510aaaf5b9fb57327ecffc20c055f61f205","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"58192b9ce09b0f0f86e2036683bd542130b91a98","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/intel/iwlwifi/fw/smem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: fix 22000 series SMEM parsing\n\nIf the firmware were to report three LMACs (which doesn't\nexist in hardware) then using \"fwrt->smem_cfg.lmac[2]\" is\nan overrun of the array. Reject such and use IWL_FW_CHECK\ninstead of WARN_ON in this function."}],"providerMetadata":{"dateUpdated":"2026-05-06T11:27:47.358Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1d49a42717bdc8de77eabeb5b7d3e88d141ffea9"},{"url":"https://git.kernel.org/stable/c/2b4b1510aaaf5b9fb57327ecffc20c055f61f205"},{"url":"https://git.kernel.org/stable/c/58192b9ce09b0f0f86e2036683bd542130b91a98"}],"title":"wifi: iwlwifi: fix 22000 series SMEM parsing","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43172","datePublished":"2026-05-06T11:27:47.358Z","dateReserved":"2026-05-01T14:12:55.991Z","dateUpdated":"2026-05-06T11:27:47.358Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:35","lastModifiedDate":"2026-05-06 13:07:51","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43172","Ordinal":"1","Title":"wifi: iwlwifi: fix 22000 series SMEM parsing","CVE":"CVE-2026-43172","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43172","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: fix 22000 series SMEM parsing\n\nIf the firmware were to report three LMACs (which doesn't\nexist in hardware) then using \"fwrt->smem_cfg.lmac[2]\" is\nan overrun of the array. Reject such and use IWL_FW_CHECK\ninstead of WARN_ON in this function.","Type":"Description","Title":"wifi: iwlwifi: fix 22000 series SMEM parsing"}]}}}