{"api_version":"1","generated_at":"2026-07-25T15:49:12+00:00","cve":"CVE-2026-64212","urls":{"html":"https://cve.report/CVE-2026-64212","api":"https://cve.report/api/cve/CVE-2026-64212.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64212","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64212"},"summary":{"title":"wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mld: don't dereference a pointer before NULL checking it\n\nIn iwl_mld_remove_link, the link->fw_id is saved at the beginning of the\nfunction so we have it after we freed the link.\n\nBut the link pointer can be NULL, and is not checked when the fw_id is\nstored.\n\nFix it by simply freeing the link at the end of the function.\n\nfFixes: 0e66a39f4f0e (\"wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link()\")","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-24 16:16:48","updated_at":"2026-07-24 16:16:48"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d733ed481fd20a8e7bfe5119c4e77761ba3f87ee","name":"https://git.kernel.org/stable/c/d733ed481fd20a8e7bfe5119c4e77761ba3f87ee","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3a74aaad047353da3344aed32e9042d4f334f926","name":"https://git.kernel.org/stable/c/3a74aaad047353da3344aed32e9042d4f334f926","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b6b4db85c7baf0788c5e7ec61350c1ff2bb775e0","name":"https://git.kernel.org/stable/c/b6b4db85c7baf0788c5e7ec61350c1ff2bb775e0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64212","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64212","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 3a74aaad047353da3344aed32e9042d4f334f926 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 b6b4db85c7baf0788c5e7ec61350c1ff2bb775e0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 d733ed481fd20a8e7bfe5119c4e77761ba3f87ee git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.34 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.0.11 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.34 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.11 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * 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/mld/link.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3a74aaad047353da3344aed32e9042d4f334f926","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"b6b4db85c7baf0788c5e7ec61350c1ff2bb775e0","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"d733ed481fd20a8e7bfe5119c4e77761ba3f87ee","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"6.18.34","status":"affected","version":"0","versionType":"semver"},{"lessThan":"7.0.11","status":"affected","version":"0","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/intel/iwlwifi/mld/link.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.11","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mld: don't dereference a pointer before NULL checking it\n\nIn iwl_mld_remove_link, the link->fw_id is saved at the beginning of the\nfunction so we have it after we freed the link.\n\nBut the link pointer can be NULL, and is not checked when the fw_id is\nstored.\n\nFix it by simply freeing the link at the end of the function.\n\nfFixes: 0e66a39f4f0e (\"wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link()\")"}],"providerMetadata":{"dateUpdated":"2026-07-24T15:23:02.449Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3a74aaad047353da3344aed32e9042d4f334f926"},{"url":"https://git.kernel.org/stable/c/b6b4db85c7baf0788c5e7ec61350c1ff2bb775e0"},{"url":"https://git.kernel.org/stable/c/d733ed481fd20a8e7bfe5119c4e77761ba3f87ee"}],"title":"wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64212","datePublished":"2026-07-24T15:23:02.449Z","dateReserved":"2026-07-19T15:36:31.770Z","dateUpdated":"2026-07-24T15:23:02.449Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-24 16:16:48","lastModifiedDate":"2026-07-24 16:16:48","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64212","Ordinal":"1","Title":"wifi: iwlwifi: mld: don't dereference a pointer before NULL chec","CVE":"CVE-2026-64212","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64212","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mld: don't dereference a pointer before NULL checking it\n\nIn iwl_mld_remove_link, the link->fw_id is saved at the beginning of the\nfunction so we have it after we freed the link.\n\nBut the link pointer can be NULL, and is not checked when the fw_id is\nstored.\n\nFix it by simply freeing the link at the end of the function.\n\nfFixes: 0e66a39f4f0e (\"wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link()\")","Type":"Description","Title":"wifi: iwlwifi: mld: don't dereference a pointer before NULL chec"}]}}}