{"api_version":"1","generated_at":"2026-08-18T00:14:50+00:00","cve":"CVE-2026-72004","urls":{"html":"https://cve.report/CVE-2026-72004","api":"https://cve.report/api/cve/CVE-2026-72004.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72004","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72004"},"summary":{"title":"wifi: mac80211: fix memory leak in ieee80211_register_hw()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix memory leak in ieee80211_register_hw()\n\nIf kmemdup() fails while copying supported band structures, the error\npath jumps to fail_rate. This skips rate_control_deinitialize() and\nleaks the initialized local->rate_ctrl.\n\nFix this by adding a fail_band label that shares the rate-control cleanup\npath before falling through to the remaining teardown.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still present in\nv7.1-rc7.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have a\nsuitable mac80211 device/driver combination to test with, no runtime\ntesting was able to be performed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:20:58","updated_at":"2026-08-17 06:17:57"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a02b52fe54f7b5107aefa1ce28c2f69749c57616","name":"https://git.kernel.org/stable/c/a02b52fe54f7b5107aefa1ce28c2f69749c57616","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3d8b9b290421c3cd505fcd2f551f143f8142786a","name":"https://git.kernel.org/stable/c/3d8b9b290421c3cd505fcd2f551f143f8142786a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/95fc02722edde02946d0d475221f2b2054d3d8ba","name":"https://git.kernel.org/stable/c/95fc02722edde02946d0d475221f2b2054d3d8ba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bdc0b8bfdc142439d6708b072e8159eb515ee7b0","name":"https://git.kernel.org/stable/c/bdc0b8bfdc142439d6708b072e8159eb515ee7b0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f01eec75fd372961550b928902f3a2c11fca1daf","name":"https://git.kernel.org/stable/c/f01eec75fd372961550b928902f3a2c11fca1daf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a7584f261e64fe14e45bdf70f343e16c1ee3a037","name":"https://git.kernel.org/stable/c/a7584f261e64fe14e45bdf70f343e16c1ee3a037","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/45e9ac538cdff7bce656d731114a64eda85af0d7","name":"https://git.kernel.org/stable/c/45e9ac538cdff7bce656d731114a64eda85af0d7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/08b71bd92317f99642b842cfc0d30200868162fc","name":"https://git.kernel.org/stable/c/08b71bd92317f99642b842cfc0d30200868162fc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72004","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72004","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 09b4a4faf9d037990ac4f8110dd944b27b42d5df f01eec75fd372961550b928902f3a2c11fca1daf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 09b4a4faf9d037990ac4f8110dd944b27b42d5df 3d8b9b290421c3cd505fcd2f551f143f8142786a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 09b4a4faf9d037990ac4f8110dd944b27b42d5df 08b71bd92317f99642b842cfc0d30200868162fc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 09b4a4faf9d037990ac4f8110dd944b27b42d5df a02b52fe54f7b5107aefa1ce28c2f69749c57616 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72004","cve":"CVE-2026-72004","epss":"0.002100000","percentile":"0.115410000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/mac80211/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f01eec75fd372961550b928902f3a2c11fca1daf","status":"affected","version":"09b4a4faf9d037990ac4f8110dd944b27b42d5df","versionType":"git"},{"lessThan":"3d8b9b290421c3cd505fcd2f551f143f8142786a","status":"affected","version":"09b4a4faf9d037990ac4f8110dd944b27b42d5df","versionType":"git"},{"lessThan":"08b71bd92317f99642b842cfc0d30200868162fc","status":"affected","version":"09b4a4faf9d037990ac4f8110dd944b27b42d5df","versionType":"git"},{"lessThan":"a02b52fe54f7b5107aefa1ce28c2f69749c57616","status":"affected","version":"09b4a4faf9d037990ac4f8110dd944b27b42d5df","versionType":"git"},{"lessThan":"45e9ac538cdff7bce656d731114a64eda85af0d7","status":"affected","version":"09b4a4faf9d037990ac4f8110dd944b27b42d5df","versionType":"git"},{"lessThan":"bdc0b8bfdc142439d6708b072e8159eb515ee7b0","status":"affected","version":"09b4a4faf9d037990ac4f8110dd944b27b42d5df","versionType":"git"},{"lessThan":"a7584f261e64fe14e45bdf70f343e16c1ee3a037","status":"affected","version":"09b4a4faf9d037990ac4f8110dd944b27b42d5df","versionType":"git"},{"lessThan":"95fc02722edde02946d0d475221f2b2054d3d8ba","status":"affected","version":"09b4a4faf9d037990ac4f8110dd944b27b42d5df","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/mac80211/main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.20"},{"lessThan":"4.20","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","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":"5.10.261","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"4.20","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"4.20","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix memory leak in ieee80211_register_hw()\n\nIf kmemdup() fails while copying supported band structures, the error\npath jumps to fail_rate. This skips rate_control_deinitialize() and\nleaks the initialized local->rate_ctrl.\n\nFix this by adding a fail_band label that shares the rate-control cleanup\npath before falling through to the remaining teardown.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still present in\nv7.1-rc7.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have a\nsuitable mac80211 device/driver combination to test with, no runtime\ntesting was able to be performed."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:06:25.480Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f01eec75fd372961550b928902f3a2c11fca1daf"},{"url":"https://git.kernel.org/stable/c/3d8b9b290421c3cd505fcd2f551f143f8142786a"},{"url":"https://git.kernel.org/stable/c/08b71bd92317f99642b842cfc0d30200868162fc"},{"url":"https://git.kernel.org/stable/c/a02b52fe54f7b5107aefa1ce28c2f69749c57616"},{"url":"https://git.kernel.org/stable/c/45e9ac538cdff7bce656d731114a64eda85af0d7"},{"url":"https://git.kernel.org/stable/c/bdc0b8bfdc142439d6708b072e8159eb515ee7b0"},{"url":"https://git.kernel.org/stable/c/a7584f261e64fe14e45bdf70f343e16c1ee3a037"},{"url":"https://git.kernel.org/stable/c/95fc02722edde02946d0d475221f2b2054d3d8ba"}],"title":"wifi: mac80211: fix memory leak in ieee80211_register_hw()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72004","datePublished":"2026-08-15T05:51:35.363Z","dateReserved":"2026-08-09T03:40:39.898Z","dateUpdated":"2026-08-17T05:06:25.480Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:20:58","lastModifiedDate":"2026-08-17 06:17:57","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72004","Ordinal":"1","Title":"wifi: mac80211: fix memory leak in ieee80211_register_hw()","CVE":"CVE-2026-72004","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72004","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix memory leak in ieee80211_register_hw()\n\nIf kmemdup() fails while copying supported band structures, the error\npath jumps to fail_rate. This skips rate_control_deinitialize() and\nleaks the initialized local->rate_ctrl.\n\nFix this by adding a fail_band label that shares the rate-control cleanup\npath before falling through to the remaining teardown.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still present in\nv7.1-rc7.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have a\nsuitable mac80211 device/driver combination to test with, no runtime\ntesting was able to be performed.","Type":"Description","Title":"wifi: mac80211: fix memory leak in ieee80211_register_hw()"}]}}}