{"api_version":"1","generated_at":"2026-08-15T15:07:21+00:00","cve":"CVE-2026-72049","urls":{"html":"https://cve.report/CVE-2026-72049","api":"https://cve.report/api/cve/CVE-2026-72049.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72049","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72049"},"summary":{"title":"ieee802154: admin-gate legacy LLSEC dump operations","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: admin-gate legacy LLSEC dump operations\n\nIn net/ieee802154/netlink.c, the legacy IEEE802154_NL family ops table\nbuilds the LLSEC dump entries (LLSEC_LIST_KEY, LLSEC_LIST_DEV,\nLLSEC_LIST_DEVKEY, LLSEC_LIST_SECLEVEL) with IEEE802154_DUMP() which\nsets no .flags, so generic netlink runs them ungated. The modern\nnl802154 family admin-gates the equivalent reads via\nNL802154_CMD_GET_SEC_KEY and friends with .flags = GENL_ADMIN_PERM.\n\nAny local uid that can open AF_NETLINK / NETLINK_GENERIC can resolve\nthe \"802.15.4 MAC\" family and dump LLSEC_LIST_KEY on any wpan netdev\nthat has an LLSEC key installed; the dump handler writes the raw\n16-byte AES-128 key bytes (IEEE802154_ATTR_LLSEC_KEY_BYTES, copied\nverbatim from struct ieee802154_llsec_key.key) into the reply.\nRecovering the AES key compromises 802.15.4 LLSEC link confidentiality\nand authenticity, since LLSEC uses CCM* and the same key authenticates\nand encrypts frames.\n\nImpact: any local uid with no capabilities can read the raw 16-byte\nAES-128 LLSEC key from the kernel keytable on any wpan netdev that has\nan administrator-installed LLSEC key, by issuing an LLSEC_LIST_KEY\ndump on the legacy IEEE802154_NL generic-netlink family.\n\nIntroduce IEEE802154_DUMP_PRIV() mirroring IEEE802154_DUMP() but\nsetting .flags = GENL_ADMIN_PERM, and use it for the four LLSEC dump\nentries. LIST_PHY and LIST_IFACE retain IEEE802154_DUMP() because the\nmodern nl802154 family exposes their equivalents to unprivileged\nreaders by design (NL802154_CMD_GET_WPAN_PHY and\nNL802154_CMD_GET_INTERFACE carry \"can be retrieved by unprivileged\nusers\" annotations).","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:14","updated_at":"2026-08-15 06:21:14"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/1905ebabe638c946aced00c4bb664da26cac56d5","name":"https://git.kernel.org/stable/c/1905ebabe638c946aced00c4bb664da26cac56d5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5abe94a205539d27945cda3ba43fdcfe295cf2c8","name":"https://git.kernel.org/stable/c/5abe94a205539d27945cda3ba43fdcfe295cf2c8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6383248058956f2a52d720b1e9f8921099cdae04","name":"https://git.kernel.org/stable/c/6383248058956f2a52d720b1e9f8921099cdae04","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e84708ef7521f3bffc85a449954042018abbd60e","name":"https://git.kernel.org/stable/c/e84708ef7521f3bffc85a449954042018abbd60e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/09fd25cd8cd80a6b3edef04e53a7324d06ac2180","name":"https://git.kernel.org/stable/c/09fd25cd8cd80a6b3edef04e53a7324d06ac2180","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dffe745760f38fac0b8288e0dc4759b23d9888ff","name":"https://git.kernel.org/stable/c/dffe745760f38fac0b8288e0dc4759b23d9888ff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3465035ba18b1ed50f8d201897d14135d20532b0","name":"https://git.kernel.org/stable/c/3465035ba18b1ed50f8d201897d14135d20532b0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9c1e0b6d49471a712511d23fc9d06901561135e8","name":"https://git.kernel.org/stable/c/9c1e0b6d49471a712511d23fc9d06901561135e8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72049","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72049","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e9c156e2c210ab67b12b1b692983a6b97c19d3f 3465035ba18b1ed50f8d201897d14135d20532b0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e9c156e2c210ab67b12b1b692983a6b97c19d3f dffe745760f38fac0b8288e0dc4759b23d9888ff git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e9c156e2c210ab67b12b1b692983a6b97c19d3f e84708ef7521f3bffc85a449954042018abbd60e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e9c156e2c210ab67b12b1b692983a6b97c19d3f 5abe94a205539d27945cda3ba43fdcfe295cf2c8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e9c156e2c210ab67b12b1b692983a6b97c19d3f 09fd25cd8cd80a6b3edef04e53a7324d06ac2180 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e9c156e2c210ab67b12b1b692983a6b97c19d3f 1905ebabe638c946aced00c4bb664da26cac56d5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e9c156e2c210ab67b12b1b692983a6b97c19d3f 6383248058956f2a52d720b1e9f8921099cdae04 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3e9c156e2c210ab67b12b1b692983a6b97c19d3f 9c1e0b6d49471a712511d23fc9d06901561135e8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.261 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * 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":["net/ieee802154/ieee802154.h","net/ieee802154/netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3465035ba18b1ed50f8d201897d14135d20532b0","status":"affected","version":"3e9c156e2c210ab67b12b1b692983a6b97c19d3f","versionType":"git"},{"lessThan":"dffe745760f38fac0b8288e0dc4759b23d9888ff","status":"affected","version":"3e9c156e2c210ab67b12b1b692983a6b97c19d3f","versionType":"git"},{"lessThan":"e84708ef7521f3bffc85a449954042018abbd60e","status":"affected","version":"3e9c156e2c210ab67b12b1b692983a6b97c19d3f","versionType":"git"},{"lessThan":"5abe94a205539d27945cda3ba43fdcfe295cf2c8","status":"affected","version":"3e9c156e2c210ab67b12b1b692983a6b97c19d3f","versionType":"git"},{"lessThan":"09fd25cd8cd80a6b3edef04e53a7324d06ac2180","status":"affected","version":"3e9c156e2c210ab67b12b1b692983a6b97c19d3f","versionType":"git"},{"lessThan":"1905ebabe638c946aced00c4bb664da26cac56d5","status":"affected","version":"3e9c156e2c210ab67b12b1b692983a6b97c19d3f","versionType":"git"},{"lessThan":"6383248058956f2a52d720b1e9f8921099cdae04","status":"affected","version":"3e9c156e2c210ab67b12b1b692983a6b97c19d3f","versionType":"git"},{"lessThan":"9c1e0b6d49471a712511d23fc9d06901561135e8","status":"affected","version":"3e9c156e2c210ab67b12b1b692983a6b97c19d3f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/ieee802154/ieee802154.h","net/ieee802154/netlink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.16"},{"lessThan":"3.16","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-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"3.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: admin-gate legacy LLSEC dump operations\n\nIn net/ieee802154/netlink.c, the legacy IEEE802154_NL family ops table\nbuilds the LLSEC dump entries (LLSEC_LIST_KEY, LLSEC_LIST_DEV,\nLLSEC_LIST_DEVKEY, LLSEC_LIST_SECLEVEL) with IEEE802154_DUMP() which\nsets no .flags, so generic netlink runs them ungated. The modern\nnl802154 family admin-gates the equivalent reads via\nNL802154_CMD_GET_SEC_KEY and friends with .flags = GENL_ADMIN_PERM.\n\nAny local uid that can open AF_NETLINK / NETLINK_GENERIC can resolve\nthe \"802.15.4 MAC\" family and dump LLSEC_LIST_KEY on any wpan netdev\nthat has an LLSEC key installed; the dump handler writes the raw\n16-byte AES-128 key bytes (IEEE802154_ATTR_LLSEC_KEY_BYTES, copied\nverbatim from struct ieee802154_llsec_key.key) into the reply.\nRecovering the AES key compromises 802.15.4 LLSEC link confidentiality\nand authenticity, since LLSEC uses CCM* and the same key authenticates\nand encrypts frames.\n\nImpact: any local uid with no capabilities can read the raw 16-byte\nAES-128 LLSEC key from the kernel keytable on any wpan netdev that has\nan administrator-installed LLSEC key, by issuing an LLSEC_LIST_KEY\ndump on the legacy IEEE802154_NL generic-netlink family.\n\nIntroduce IEEE802154_DUMP_PRIV() mirroring IEEE802154_DUMP() but\nsetting .flags = GENL_ADMIN_PERM, and use it for the four LLSEC dump\nentries. LIST_PHY and LIST_IFACE retain IEEE802154_DUMP() because the\nmodern nl802154 family exposes their equivalents to unprivileged\nreaders by design (NL802154_CMD_GET_WPAN_PHY and\nNL802154_CMD_GET_INTERFACE carry \"can be retrieved by unprivileged\nusers\" annotations)."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:52:06.989Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3465035ba18b1ed50f8d201897d14135d20532b0"},{"url":"https://git.kernel.org/stable/c/dffe745760f38fac0b8288e0dc4759b23d9888ff"},{"url":"https://git.kernel.org/stable/c/e84708ef7521f3bffc85a449954042018abbd60e"},{"url":"https://git.kernel.org/stable/c/5abe94a205539d27945cda3ba43fdcfe295cf2c8"},{"url":"https://git.kernel.org/stable/c/09fd25cd8cd80a6b3edef04e53a7324d06ac2180"},{"url":"https://git.kernel.org/stable/c/1905ebabe638c946aced00c4bb664da26cac56d5"},{"url":"https://git.kernel.org/stable/c/6383248058956f2a52d720b1e9f8921099cdae04"},{"url":"https://git.kernel.org/stable/c/9c1e0b6d49471a712511d23fc9d06901561135e8"}],"title":"ieee802154: admin-gate legacy LLSEC dump operations","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72049","datePublished":"2026-08-15T05:52:06.989Z","dateReserved":"2026-08-09T03:40:39.902Z","dateUpdated":"2026-08-15T05:52:06.989Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:14","lastModifiedDate":"2026-08-15 06:21:14","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72049","Ordinal":"1","Title":"ieee802154: admin-gate legacy LLSEC dump operations","CVE":"CVE-2026-72049","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72049","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: admin-gate legacy LLSEC dump operations\n\nIn net/ieee802154/netlink.c, the legacy IEEE802154_NL family ops table\nbuilds the LLSEC dump entries (LLSEC_LIST_KEY, LLSEC_LIST_DEV,\nLLSEC_LIST_DEVKEY, LLSEC_LIST_SECLEVEL) with IEEE802154_DUMP() which\nsets no .flags, so generic netlink runs them ungated. The modern\nnl802154 family admin-gates the equivalent reads via\nNL802154_CMD_GET_SEC_KEY and friends with .flags = GENL_ADMIN_PERM.\n\nAny local uid that can open AF_NETLINK / NETLINK_GENERIC can resolve\nthe \"802.15.4 MAC\" family and dump LLSEC_LIST_KEY on any wpan netdev\nthat has an LLSEC key installed; the dump handler writes the raw\n16-byte AES-128 key bytes (IEEE802154_ATTR_LLSEC_KEY_BYTES, copied\nverbatim from struct ieee802154_llsec_key.key) into the reply.\nRecovering the AES key compromises 802.15.4 LLSEC link confidentiality\nand authenticity, since LLSEC uses CCM* and the same key authenticates\nand encrypts frames.\n\nImpact: any local uid with no capabilities can read the raw 16-byte\nAES-128 LLSEC key from the kernel keytable on any wpan netdev that has\nan administrator-installed LLSEC key, by issuing an LLSEC_LIST_KEY\ndump on the legacy IEEE802154_NL generic-netlink family.\n\nIntroduce IEEE802154_DUMP_PRIV() mirroring IEEE802154_DUMP() but\nsetting .flags = GENL_ADMIN_PERM, and use it for the four LLSEC dump\nentries. LIST_PHY and LIST_IFACE retain IEEE802154_DUMP() because the\nmodern nl802154 family exposes their equivalents to unprivileged\nreaders by design (NL802154_CMD_GET_WPAN_PHY and\nNL802154_CMD_GET_INTERFACE carry \"can be retrieved by unprivileged\nusers\" annotations).","Type":"Description","Title":"ieee802154: admin-gate legacy LLSEC dump operations"}]}}}