{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72004", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.898Z", "datePublished": "2026-08-15T05:51:35.363Z", "dateUpdated": "2026-08-17T05:06:25.480Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:06:25.480Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/main.c"], "versions": [{"version": "09b4a4faf9d037990ac4f8110dd944b27b42d5df", "lessThan": "f01eec75fd372961550b928902f3a2c11fca1daf", "status": "affected", "versionType": "git"}, {"version": "09b4a4faf9d037990ac4f8110dd944b27b42d5df", "lessThan": "3d8b9b290421c3cd505fcd2f551f143f8142786a", "status": "affected", "versionType": "git"}, {"version": "09b4a4faf9d037990ac4f8110dd944b27b42d5df", "lessThan": "08b71bd92317f99642b842cfc0d30200868162fc", "status": "affected", "versionType": "git"}, {"version": "09b4a4faf9d037990ac4f8110dd944b27b42d5df", "lessThan": "a02b52fe54f7b5107aefa1ce28c2f69749c57616", "status": "affected", "versionType": "git"}, {"version": "09b4a4faf9d037990ac4f8110dd944b27b42d5df", "lessThan": "45e9ac538cdff7bce656d731114a64eda85af0d7", "status": "affected", "versionType": "git"}, {"version": "09b4a4faf9d037990ac4f8110dd944b27b42d5df", "lessThan": "bdc0b8bfdc142439d6708b072e8159eb515ee7b0", "status": "affected", "versionType": "git"}, {"version": "09b4a4faf9d037990ac4f8110dd944b27b42d5df", "lessThan": "a7584f261e64fe14e45bdf70f343e16c1ee3a037", "status": "affected", "versionType": "git"}, {"version": "09b4a4faf9d037990ac4f8110dd944b27b42d5df", "lessThan": "95fc02722edde02946d0d475221f2b2054d3d8ba", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/main.c"], "versions": [{"version": "4.20", "status": "affected"}, {"version": "0", "lessThan": "4.20", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "7.2"}]}]}], "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"}}}}

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{"bugzilla": {"description": "kernel: wifi: mac80211: fix memory leak in ieee80211_register_hw()", "id": "2516648", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516648"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. This issue occurs when the system attempts to copy Wi-Fi band structures, and an error during this process causes a memory resource to not be properly released. This oversight leads to a memory leak within the kernel, which could potentially impact system stability or lead to a denial of service."], "name": "CVE-2026-72004", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72004\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72004\nhttps://lore.kernel.org/linux-cve-announce/2026081506-CVE-2026-72004-f182@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[09b4a4faf9d037990ac4f8110dd944b27b42d5df,f01eec75fd372961550b928902f3a2c11fca1daf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[09b4a4faf9d037990ac4f8110dd944b27b42d5df,3d8b9b290421c3cd505fcd2f551f143f8142786a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[09b4a4faf9d037990ac4f8110dd944b27b42d5df,08b71bd92317f99642b842cfc0d30200868162fc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[09b4a4faf9d037990ac4f8110dd944b27b42d5df,a02b52fe54f7b5107aefa1ce28c2f69749c57616)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[09b4a4faf9d037990ac4f8110dd944b27b42d5df,45e9ac538cdff7bce656d731114a64eda85af0d7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[09b4a4faf9d037990ac4f8110dd944b27b42d5df,bdc0b8bfdc142439d6708b072e8159eb515ee7b0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[09b4a4faf9d037990ac4f8110dd944b27b42d5df,a7584f261e64fe14e45bdf70f343e16c1ee3a037)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[09b4a4faf9d037990ac4f8110dd944b27b42d5df,95fc02722edde02946d0d475221f2b2054d3d8ba)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.20"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.20)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.261,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc4,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-15T07:45:04.795505+00:00", "updated": "2026-08-18T05:30:08.328814+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}