CVE-2026-72024

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The following\nunregister_netdevice() waits for in-flight RCU readers before freeing the\nnetdevice, so no separate grace-period wait is needed."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - Exploitation requires local syscalls to transmit on an IEEE 802.15.4 interface and concurrently tear down the mac802154 hardware (e.g., mac802154_hwsim DEL_RADIO or driver unregister); remote 802.15.4 frames do not reach ieee802154_remove_interfaces().\nAC:L - The attacker controls both sides of the race by concurrently sending traffic (sendmmsg on AF_IEEE802154) while deleting the radio/hardware; syzbot reliably reproduced the crash without external timing dependencies.\nPR:L - With mac802154_hwsim loaded, CAP_NET_ADMIN in a user namespace suffices to bring up wpan interfaces, transmit packets, and issue MAC802154_HWSIM_CMD_DEL_RADIO (GENL_UNS_ADMIN_PERM); AF_IEEE802154 sockets also require only namespace CAP_NET_ADMIN/CAP_NET_RAW.\nUI:N - No victim interaction is required; the attacker triggers the race entirely through their own netlink and socket operations without needing another user to perform any action.\nS:U - Impact is confined to kernel memory corruption and privilege boundaries within the same kernel; this is not a VM escape, IOMMU bypass, or cross-security-authority boundary violation.\nC:H - The RCU list walk in ieee802154_wake_queue() dereferences poisoned/freed list nodes (KASAN wild-memory-access at dead000000000218), constituting use-after-free class memory corruption that can expose adjacent kernel heap contents.\nI:H - Corrupted list traversal can pass attacker-influenced sdata/netdev pointers into netif_wake_queue(), enabling heap corruption primitives and potential control-flow hijacking beyond a simple crash.\nA:H - The syzbot reproducer causes a general protection fault kernel oops in ieee802154_release_queue(); the use-after-free class bug can panic or hang the system even when not fully exploited for code execution."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac802154/iface.c"], "versions": [{"version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "72ac5af9ad09662bd0ea91cb8845d490c8ef9c01", "status": "affected", "versionType": "git"}, {"version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "2039f27b1a0c997137a5de7f8a3cee0e80fbf952", "status": "affected", "versionType": "git"}, {"version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "4bf231f459b542414629b64f63d5cad6701bd07c", "status": "affected", "versionType": "git"}, {"version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "b91e5248dd7af09b500879a46d22a36b60db3a57", "status": "affected", "versionType": "git"}, {"version": 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"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": "3.19", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", 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remote 802.15.4 frames do not reach ieee802154_remove_interfaces().\nAC:L - The attacker controls both sides of the race by concurrently sending traffic (sendmmsg on AF_IEEE802154) while deleting the radio/hardware; syzbot reliably reproduced the crash without external timing dependencies.\nPR:L - With mac802154_hwsim loaded, CAP_NET_ADMIN in a user namespace suffices to bring up wpan interfaces, transmit packets, and issue MAC802154_HWSIM_CMD_DEL_RADIO (GENL_UNS_ADMIN_PERM); AF_IEEE802154 sockets also require only namespace CAP_NET_ADMIN/CAP_NET_RAW.\nUI:N - No victim interaction is required; the attacker triggers the race entirely through their own netlink and socket operations without needing another user to perform any action.\nS:U - Impact is confined to kernel memory corruption and privilege boundaries within the same kernel; this is not a VM escape, IOMMU bypass, or cross-security-authority boundary violation.\nC:H - The RCU list walk in ieee802154_wake_queue() dereferences poisoned/freed list nodes (KASAN wild-memory-access at dead000000000218), constituting use-after-free class memory corruption that can expose adjacent kernel heap contents.\nI:H - Corrupted list traversal can pass attacker-influenced sdata/netdev pointers into netif_wake_queue(), enabling heap corruption primitives and potential control-flow hijacking beyond a simple crash.\nA:H - The syzbot reproducer causes a general protection fault kernel oops in ieee802154_release_queue(); the use-after-free class bug can panic or hang the system even when not fully exploited for code execution."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "72ac5af9ad09662bd0ea91cb8845d490c8ef9c01", "versionType": "git"}, {"status": "affected", "version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "2039f27b1a0c997137a5de7f8a3cee0e80fbf952", "versionType": "git"}, {"status": "affected", "version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "4bf231f459b542414629b64f63d5cad6701bd07c", "versionType": "git"}, {"status": "affected", "version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "b91e5248dd7af09b500879a46d22a36b60db3a57", "versionType": "git"}, {"status": "affected", "version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "c7c031b75218b3ba3014a0f6b9849888994528d6", "versionType": "git"}, {"status": "affected", "version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "77caf2d6eba7cb94a7ecd7b369a5974fd7d7c054", "versionType": "git"}, {"status": "affected", "version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "d8b5b66388a51febe4b8505b0ecd9da15b4ba639", "versionType": "git"}, {"status": "affected", "version": "592dfbfc72f5352437c883aa11ab579d10cdb595", "lessThan": "539dfcf69105d8d3d4d677b71de6e5ede2e6dfa0", "versionType": "git"}], "programFiles": ["net/mac802154/iface.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.19"}, {"status": "unaffected", "version": "0", "lessThan": "3.19", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.261", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.212", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.178", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.97", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.40", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.5", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/mac802154/iface.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/72ac5af9ad09662bd0ea91cb8845d490c8ef9c01"}, {"url": "https://git.kernel.org/stable/c/2039f27b1a0c997137a5de7f8a3cee0e80fbf952"}, {"url": "https://git.kernel.org/stable/c/4bf231f459b542414629b64f63d5cad6701bd07c"}, {"url": "https://git.kernel.org/stable/c/b91e5248dd7af09b500879a46d22a36b60db3a57"}, {"url": "https://git.kernel.org/stable/c/c7c031b75218b3ba3014a0f6b9849888994528d6"}, {"url": "https://git.kernel.org/stable/c/77caf2d6eba7cb94a7ecd7b369a5974fd7d7c054"}, {"url": "https://git.kernel.org/stable/c/d8b5b66388a51febe4b8505b0ecd9da15b4ba639"}, {"url": "https://git.kernel.org/stable/c/539dfcf69105d8d3d4d677b71de6e5ede2e6dfa0"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac802154: remove interfaces with RCU list deletion\n\nQueue wake, stop, and disable paths walk local->interfaces under RCU.\nThe bulk hardware teardown path removes entries with list_del(), so an\nasynchronous transmit completion can follow a poisoned list node in\nieee802154_wake_queue().\n\nUse list_del_rcu() as in the single-interface removal path. The following\nunregister_netdevice() waits for in-flight RCU readers before freeing the\nnetdevice, so no separate grace-period wait is needed."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.261", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.178", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.145", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.97", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.40", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.5", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "3.19"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:39:32.685Z"}}}, "cveMetadata": {"cveId": "CVE-2026-72024", "state": "PUBLISHED", "dateUpdated": "2026-10-19T21:19:23.535Z", "dateReserved": "2026-08-09T03:40:39.900Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-15T05:51:49.270Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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The following\nunregister_netdevice() waits for in-flight RCU readers before freeing the\nnetdevice, so no separate grace-period wait is needed."}], "id": "CVE-2026-72024", "lastModified": "2026-10-19T22:17:22.610", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-72024", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:50:14.696670Z", "version": "2.0.3"}}]}, "published": "2026-08-15T06:21:01.440", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2039f27b1a0c997137a5de7f8a3cee0e80fbf952"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4bf231f459b542414629b64f63d5cad6701bd07c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/539dfcf69105d8d3d4d677b71de6e5ede2e6dfa0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/72ac5af9ad09662bd0ea91cb8845d490c8ef9c01"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/77caf2d6eba7cb94a7ecd7b369a5974fd7d7c054"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b91e5248dd7af09b500879a46d22a36b60db3a57"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c7c031b75218b3ba3014a0f6b9849888994528d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d8b5b66388a51febe4b8505b0ecd9da15b4ba639"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: mac802154: remove interfaces with RCU list deletion", "id": "2516302", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516302"}, "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-825", "details": ["A flaw was found in the mac802154 component of the Linux kernel. When network interfaces are removed, the system incorrectly manages memory, which can cause a program to try and use memory that is no longer available or has been corrupted. This vulnerability could lead to system instability or a denial of service, making the affected system unresponsive."], "name": "CVE-2026-72024", "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": "Not affected", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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-2026-72024\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72024\nhttps://lore.kernel.org/linux-cve-announce/2026081510-CVE-2026-72024-7fde@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[592dfbfc72f5352437c883aa11ab579d10cdb595,72ac5af9ad09662bd0ea91cb8845d490c8ef9c01)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[592dfbfc72f5352437c883aa11ab579d10cdb595,2039f27b1a0c997137a5de7f8a3cee0e80fbf952)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[592dfbfc72f5352437c883aa11ab579d10cdb595,4bf231f459b542414629b64f63d5cad6701bd07c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[592dfbfc72f5352437c883aa11ab579d10cdb595,539dfcf69105d8d3d677b71de6e5ede2e6dfa0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[592dfbfc72f5352437c883aa11ab579d10cdb595,b91e5248dd7af09b500879a46d22a36b60db3a57)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[592dfbfc72f5352437c883aa11ab579d10cdb595,c7c031b75218b3ba3014a0f6b9849888994528d6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[592dfbfc72f5352437c883aa11ab579d10cdb595,77caf2d6eba7cb94a7ecd7b369a5974fd7d7c054)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[592dfbfc72f5352437c883aa11ab579d10cdb595,d8b5b66388a51febe4b8505b0ecd9da15b4ba639)"}}], "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": "3.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.19)"}}, {"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": "generic", "value": "[7.2-rc3,*]"}}], "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": "2026-08-15T08:15:04.474821+00:00", "updated": "2026-10-20T13:15:14.198115+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}