{"api_version":"1","generated_at":"2026-08-04T08:53:29+00:00","cve":"CVE-2025-40282","urls":{"html":"https://cve.report/CVE-2025-40282","api":"https://cve.report/api/cve/CVE-2025-40282.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-40282","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-40282"},"summary":{"title":"Bluetooth: 6lowpan: reset link-local header on ipv6 recv path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: 6lowpan: reset link-local header on ipv6 recv path\n\nBluetooth 6lowpan.c netdev has header_ops, so it must set link-local\nheader for RX skb, otherwise things crash, eg. with AF_PACKET SOCK_RAW\n\nAdd missing skb_reset_mac_header() for uncompressed ipv6 RX path.\n\nFor the compressed one, it is done in lowpan_header_decompress().\n\nLog: (BlueZ 6lowpan-tester Client Recv Raw - Success)\n------\nkernel BUG at net/core/skbuff.c:212!\nCall Trace:\n<IRQ>\n...\npacket_rcv (net/packet/af_packet.c:2152)\n...\n<TASK>\n__local_bh_enable_ip (kernel/softirq.c:407)\nnetif_rx (net/core/dev.c:5648)\nchan_recv_cb (net/bluetooth/6lowpan.c:294 net/bluetooth/6lowpan.c:359)\n------","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-06 22:15:56","updated_at":"2026-07-30 06:24:26"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/70d84e7c3a44b81020a3c3d650a64c63593405bd","name":"https://git.kernel.org/stable/c/70d84e7c3a44b81020a3c3d650a64c63593405bd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/11cd7e068381666f842ad41d1cc58eecd0c75237","name":"https://git.kernel.org/stable/c/11cd7e068381666f842ad41d1cc58eecd0c75237","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3b78f50918276ab28fb22eac9aa49401ac436a3b","name":"https://git.kernel.org/stable/c/3b78f50918276ab28fb22eac9aa49401ac436a3b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4ebb90c3c309e6375dc3e841af92e2a039843e62","name":"https://git.kernel.org/stable/c/4ebb90c3c309e6375dc3e841af92e2a039843e62","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d566e9a2bfc848941b091ffd5f4e12c4e889d818","name":"https://git.kernel.org/stable/c/d566e9a2bfc848941b091ffd5f4e12c4e889d818","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/973e0271754c77db3e1b6b69adf2de85a79a4c8b","name":"https://git.kernel.org/stable/c/973e0271754c77db3e1b6b69adf2de85a79a4c8b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c24ac6cfe4f9a47180a65592c47e7a310d2f9d93","name":"https://git.kernel.org/stable/c/c24ac6cfe4f9a47180a65592c47e7a310d2f9d93","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ea46a1d217bc82e01cf3d0424e50ebfe251e34bf","name":"https://git.kernel.org/stable/c/ea46a1d217bc82e01cf3d0424e50ebfe251e34bf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-40282","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40282","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 18722c247023035b9e2e2a08a887adec2a9a6e49 ea46a1d217bc82e01cf3d0424e50ebfe251e34bf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 18722c247023035b9e2e2a08a887adec2a9a6e49 973e0271754c77db3e1b6b69adf2de85a79a4c8b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 18722c247023035b9e2e2a08a887adec2a9a6e49 d566e9a2bfc848941b091ffd5f4e12c4e889d818 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 18722c247023035b9e2e2a08a887adec2a9a6e49 4ebb90c3c309e6375dc3e841af92e2a039843e62 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 18722c247023035b9e2e2a08a887adec2a9a6e49 c24ac6cfe4f9a47180a65592c47e7a310d2f9d93 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 18722c247023035b9e2e2a08a887adec2a9a6e49 11cd7e068381666f842ad41d1cc58eecd0c75237 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 18722c247023035b9e2e2a08a887adec2a9a6e49 70d84e7c3a44b81020a3c3d650a64c63593405bd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 18722c247023035b9e2e2a08a887adec2a9a6e49 3b78f50918276ab28fb22eac9aa49401ac436a3b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.4.302 5.4.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.247 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.197 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.159 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.117 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.59 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17.9 6.17.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"40282","cve":"CVE-2025-40282","epss":"0.002470000","percentile":"0.160820000","score_date":"2026-07-31","updated_at":"2026-08-01 00:10:35"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/6lowpan.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ea46a1d217bc82e01cf3d0424e50ebfe251e34bf","status":"affected","version":"18722c247023035b9e2e2a08a887adec2a9a6e49","versionType":"git"},{"lessThan":"973e0271754c77db3e1b6b69adf2de85a79a4c8b","status":"affected","version":"18722c247023035b9e2e2a08a887adec2a9a6e49","versionType":"git"},{"lessThan":"d566e9a2bfc848941b091ffd5f4e12c4e889d818","status":"affected","version":"18722c247023035b9e2e2a08a887adec2a9a6e49","versionType":"git"},{"lessThan":"4ebb90c3c309e6375dc3e841af92e2a039843e62","status":"affected","version":"18722c247023035b9e2e2a08a887adec2a9a6e49","versionType":"git"},{"lessThan":"c24ac6cfe4f9a47180a65592c47e7a310d2f9d93","status":"affected","version":"18722c247023035b9e2e2a08a887adec2a9a6e49","versionType":"git"},{"lessThan":"11cd7e068381666f842ad41d1cc58eecd0c75237","status":"affected","version":"18722c247023035b9e2e2a08a887adec2a9a6e49","versionType":"git"},{"lessThan":"70d84e7c3a44b81020a3c3d650a64c63593405bd","status":"affected","version":"18722c247023035b9e2e2a08a887adec2a9a6e49","versionType":"git"},{"lessThan":"3b78f50918276ab28fb22eac9aa49401ac436a3b","status":"affected","version":"18722c247023035b9e2e2a08a887adec2a9a6e49","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/bluetooth/6lowpan.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.14"},{"lessThan":"3.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.302","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.247","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.197","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.159","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.117","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.59","versionType":"semver"},{"lessThanOrEqual":"6.17.*","status":"unaffected","version":"6.17.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.18","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.302","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.247","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.197","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.159","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.117","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.59","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.17.9","versionStartIncluding":"3.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18","versionStartIncluding":"3.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: 6lowpan: reset link-local header on ipv6 recv path\n\nBluetooth 6lowpan.c netdev has header_ops, so it must set link-local\nheader for RX skb, otherwise things crash, eg. with AF_PACKET SOCK_RAW\n\nAdd missing skb_reset_mac_header() for uncompressed ipv6 RX path.\n\nFor the compressed one, it is done in lowpan_header_decompress().\n\nLog: (BlueZ 6lowpan-tester Client Recv Raw - Success)\n------\nkernel BUG at net/core/skbuff.c:212!\nCall Trace:\n<IRQ>\n...\npacket_rcv (net/packet/af_packet.c:2152)\n...\n<TASK>\n__local_bh_enable_ip (kernel/softirq.c:407)\nnetif_rx (net/core/dev.c:5648)\nchan_recv_cb (net/bluetooth/6lowpan.c:294 net/bluetooth/6lowpan.c:359)\n------"}],"metrics":[{"cvssV3_1":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-30T06:02:22.289Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ea46a1d217bc82e01cf3d0424e50ebfe251e34bf"},{"url":"https://git.kernel.org/stable/c/973e0271754c77db3e1b6b69adf2de85a79a4c8b"},{"url":"https://git.kernel.org/stable/c/d566e9a2bfc848941b091ffd5f4e12c4e889d818"},{"url":"https://git.kernel.org/stable/c/4ebb90c3c309e6375dc3e841af92e2a039843e62"},{"url":"https://git.kernel.org/stable/c/c24ac6cfe4f9a47180a65592c47e7a310d2f9d93"},{"url":"https://git.kernel.org/stable/c/11cd7e068381666f842ad41d1cc58eecd0c75237"},{"url":"https://git.kernel.org/stable/c/70d84e7c3a44b81020a3c3d650a64c63593405bd"},{"url":"https://git.kernel.org/stable/c/3b78f50918276ab28fb22eac9aa49401ac436a3b"}],"title":"Bluetooth: 6lowpan: reset link-local header on ipv6 recv path","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-40282","datePublished":"2025-12-06T21:51:06.287Z","dateReserved":"2025-04-16T07:20:57.184Z","dateUpdated":"2026-07-30T06:02:22.289Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-06 22:15:56","lastModifiedDate":"2026-07-30 06:24:26","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"40282","Ordinal":"1","Title":"Bluetooth: 6lowpan: reset link-local header on ipv6 recv path","CVE":"CVE-2025-40282","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"40282","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: 6lowpan: reset link-local header on ipv6 recv path\n\nBluetooth 6lowpan.c netdev has header_ops, so it must set link-local\nheader for RX skb, otherwise things crash, eg. with AF_PACKET SOCK_RAW\n\nAdd missing skb_reset_mac_header() for uncompressed ipv6 RX path.\n\nFor the compressed one, it is done in lowpan_header_decompress().\n\nLog: (BlueZ 6lowpan-tester Client Recv Raw - Success)\n------\nkernel BUG at net/core/skbuff.c:212!\nCall Trace:\n<IRQ>\n...\npacket_rcv (net/packet/af_packet.c:2152)\n...\n<TASK>\n__local_bh_enable_ip (kernel/softirq.c:407)\nnetif_rx (net/core/dev.c:5648)\nchan_recv_cb (net/bluetooth/6lowpan.c:294 net/bluetooth/6lowpan.c:359)\n------","Type":"Description","Title":"Bluetooth: 6lowpan: reset link-local header on ipv6 recv path"}]}}}